1) Precisely because I didn't understand the goal and meaning, I am against it. What is so unclear here? Yes, I prefer not only to do something but also to know why I am doing it.
2) Regarding the rating, you clearly didn't bother to read the link. I agree that in its current form, it is not very objective.
3) It's all a bit confusing. I'm explaining my position: I like playing with strong players because it gives me the opportunity to learn something, but sometimes I also play with weaker players because I believe it will give them the opportunity to learn something.
4) In my opinion, it is not forbidden to express one's opinion on the forums, even if it goes against the opinion of the majority.