“all of the existing WoW Classic servers will be updated to Burning Crusade content, while brand-new Classic Era servers that will stay locked into “Vanilla” WoW content will be created.”
Which means, if you never used cloning which you didn’t as stated here:
You defaulted into TBCC which moved eventually to Wrath present day. None of your toons were deleted, they’re just at a place where you don’t want them to be due player inaction which you blame Support for.
If you got feedback please post into the megathread below.