He definitely makes some valid points. I agree and could definitely see how creating mechanics which are more difficcult to catcch up with could ruin this game. Want to join Savage runs? Sorry, but you haven't been playing 8 hours everyday for the last 3 years, you are simply underleveled.
Because I assume the relevant endgame content would be tuned towards that, otherwise all experienced players would ragequit as all content that is released or ever will be released would be too ez.