I made the same ticket and got and unequivocal reply that it’s not coming back. And that’s not what the reddit post actually said. You are reading between the lines.
Okay, the Character Clone service has been retired. All clones that were not activated before July 26, 2022 were deleted. Customer Service cannot restore deleted clones or transfer active clones to different game versions.
If you had a WoW Classic character and you never chose to activate it in either WoW Classic or Burning Crusade Classic, then the Burning Crusade Classic (now Wrath of the Lich King Classic) version of your character has automatically been activated and will be available for play.
Names can be used again once the Clone has been deleted.
Which is a quote from here.
The Classic Era version of the character will be permanently deleted and unavailable for cloning.
Which is from here.
This is the relevant part of the image.
btw, they are talking about the US forums not the EU ones.