Not exactly. J Allen Brack’s statement on this was that CLASSIC servers would always be available. And they are, in Classic Era, with no one playing on them. At no point has Blizzard said “you can play TBC forever” or “you can play Wrath forever”. You are extrapolating what J Allen said at Blizzcon in 2018.
You are excused for not knowing the power of F R E S H, but I want to emphasize here that people in this community play on servers knowing their progress will be wiped all the time. People are playing SoM right now knowing full well Naxxramas is the end of that line.
Also, Modern WoW renders your hard work moot every expansion and people continue to play it. So it is clearly not a deal breaker.
The great irony of the museum argument is that classic players have reset their progress more frequently than modern players. You can argue the game deserves to be preserved in some state and that is probably noble - but it is divorced from the players themselves.
Who does? I don’t. You don’t. Everyone who progressed from Classic to TBCC disagrees.
Case in point, Progressive Classic servers is something no one has ever played before and TBCC Classic is currently more popular than Classic Era by far. No one plays on Classic Era. Hypothetical TBC Era servers would be even less popular than Classic Era.
Honestly, just take a moment and recognize you don’t play on Classic servers and are advocating for a variant you don’t intend to play either. For whom?