People went to FF14, New World because they now are looking for more or have changed games. Classic+ would need to be as WOW TBC Gold non-sensical as Classic to be able to accommodate "bad" players (LFR) and at the same time providing modern gaming to all... It's hard to do, if it ever happens. The Classic community is highly fragmented and it is extremely unlikely that to unite in a single Classic+ version.
You want classic, but not classic but classic, but not classic. I'm sorry to say that it seems that you are just trying to play a different game. Every cheap WOW Classic TBC Gold private server that's tried Classic + died off after a couple weeks, literally the only reason to play this old game is the social aspect.