I have no such data, I tried this, it worked, but it did not met my requirements of what I want to do, so I focused on other things.
I guess people rotate and newbies do not know it. If only one person benefits from this, I think it's enough.
First of all, you did not paid attention to my first post, method is not about growing your youtube channel, but selling CPA offers. In my case I went for nutra niche, selected a very well known Keto diet, targeted small youtube channels under 1M subs and above 5k subs. My offer paid as low as 30$ per conversion and I managed to get 3.
This question about how comments ranks can be answered, there are actually some speculations and formulas produced by various tests you can dig up on google. Main idea is that every like or reply you get has it's own score, that is based on person that gave you this engagement, e.g. - if this profiles comments gets good and positive reactions on other videos, then it's weight is considered bigger and your comment will rank higher.