Im probably one of the few that actually agree with the op, probably not in the sense that your killing the game, but you are making it hard for new and old players to enjoy it.
Lets take a look back at some old posts about taking assist to 2.8.5, not very many people supported the idea, mainly those behind the assist poject, what if this and what if that and mac blah blah blah. Yet here we are using the sai from 2.8.5, digi camo from 2.8.5. rolling back maps ect ect, where will it go from there.
As for the training yes its a great idea, but like the op i did mine way way back in 2002 and passionately played the game for a solid 10 years, do you really want me to do it again, in some way i find that degrading to old school or veteran players, however you want to put it, personal opinion maybe but im sure alot of others would agree.
I fully support the assist project and what its trying to do, yet i worry for the future of it. Yes i am part of the "team" but i choose to take a back seat and watch whats going on, some of the forum posts and reply ive seen have been very abusive towards users and i see alot of discrimination, again personal opinion, but if i see it like that then others do too.