More successful channels make more money. That is how capitalism and free markets work.
Why make a big deal out of it?
"...successful channels make more money," so do you opine, and so I give you and others the opportunity to see just how much money all those clicks garner for the few who are obviously busy, busy, busy making videos -- for you and those who are enthused to watch and listen, and repost that other may watch and listen. Click.
Detailing their "success" shouldn't be a problem for you, since it's all "normal."