I find it funny that you are absolutely convinced that you can psychoanalyze people over the Internet based on a few sentences.
That's possible, and most likely true for many players. The experiences from people actually playing vanilla in recent times has shown that there is a significant number of people that simply enjoy the game design of vanilla more and will stick around for much longer. I find it likely that I'll be in that group.You want to run around the open world of vanilla wow and have a nostalgia trip for a month, fine.
You should realize that precisely nobody on this planet, other than yourself, cares about you being right or wrong.Time will prove me right.