They want you to play an entire expansion’s storyline from 20 to 50, but they also need people to play the LATEST expansion, too, otherwise, what’s the point in designing these Life/death/light/shadow Fantasy-scapes if nobody gives two squirts of squid about them?
At that point, You’d be better off going to WoW Classic, which was the best performing Blizzard Game in the last 5 years.
How’s that for a punchline?