I basically dislike tracking. I am just so used to it, I can’t seem to stop for longer periods of time (but I couldn’t do it every day either). I surely could wean myself off but I am VERY curious still. If I will eat similarly all the time, I will stop but I am curious now. Yesterday I went over 200g fat again with very little food (many calories but not much to eat), yep, egg loaf with the original recipe isn’t my friend though it satiated me well for that meal… I still ate later but at least I didn’t stay at 45g protein, it wouldn’t be a problem for a day but it’s still not my thing… I probably wrote it already here, I like data. I write down how much meat I buy and when, how many eggs I have on Fridays, when my fruit seasons start and end, we have notes about our electricity consumption… Some people are like this.
I definitely won’t track for very long in the future, that’s not life but it amuses me sometimes.
I never track if I overeat nowadays. Too much work. But it’s super easy for my normal days. I ate one small meal today, only a few items… It was easy.
Not like I am able to track my fatty meat so well. Today I ate pork hocks, among others. Some meat, some fat, some tendon, who knows how much of which? 
Doesn’t matter, it’s still good enough for me.
I definitely never let my tracking control my eating. I am very bad at control and I don’t even have targets - except for my calories but in average only, 1500 kcal less or more for a day means not much to me. My fat intake in the last years (when I actually tracked, I probably had stronger days when I didn’t) was between 0 and 254g per day (I never went that high on carnivore but I hadn’t so many carnivore days either, I surely will have interesting days in the future! I want to know those numbers :D). I am fine with both if it’s a single day. My fat intake doesn’t matter, actually, I just can’t afford a ton every day. But I control that with my food choices. There is a reason I minimize my added fat intake since ages. Usually. My over 200g days involve more added fat.
So tracking doesn’t help or control me, I just get some data.
If I want good results, control should mean choosing the right food and the right timing. Things fall into place then. I actually needed tracking while I searched for the right woe to figure out what works, what satiates me… Indeed, carnivore and some personal little rules alone should be enough. But I just like to get my data sometimes. It’s just a personal little thing, not needed, not very helpful… But it’s not harmful. It can be, it depends on the person.
It may be even helpful for others. Why not? We are so very different. But it shouldn’t be our tool to restrict and lose (unless we have zero other ideas and fat-loss is very important. It seems so but I am no expert there for sure. I am a health-conscious hedonist with a good relationship with her body and not eating when hungry is insane to me. my body would get upset anyway and I can’t win there… but it’s very effective for others. poor souls). Some people use it to avoid undereating, I don’t see why that couldn’t happen on carnivore too especially when the body or the mind/body communication doesn’t function properly yet so the one in question has no idea how much to eat.
These may be less frequent on carnivore but it’s not that simple for everyone. I overate in my past and my perception is still skewed. And I can’t follow my hunger and satiation and that’s it, I still eat differently. I am lucky with carnivore where these work better but if I let my not physical feelings influence my eating very much (let? they totally do it), I get problems. Tracking may show these problems.
Another reason I will track: I totally want to try very high protein with less fat and adequate protein with very high fat (with and without using added fat but especially without) for a short while to see what happens 
I already experimented with these but I can go farther now It’s half amusement, half getting know myself better.
I got carried away but it’s an interesting topic for me. I have too much experience with tracking (in vain but nope, it was fun sometimes and I know things about me now. some of them totally changed even after tiny carnivore trials but at least I know how much I changed. I am a bit disappointed I never tracked on high-carb, I just can guess things, very vaguely).
, and some of them were arbitrary chosen because nutritionists didn’t have a clue how much you actually need so the set amounts that they felt were safe. If it’s just like a personal n=1 science project enjoy your tracking but I wouldn’t eat by the numbers again. Six months of that was enough for me. I only use my app to look up stuff to advise others here on the forum now when they ask “Can I eat this?”.