No, logic would state that in a perpetual game, DHKs should only been in the game for the % of time they were in the game. If DHKs were only in vanilla for X number of days, then they should only be in classic for that very same X number of days.
If classic was to only run the same amount of days that vanilla did, then your “logic” would be valid. Saddling classic players with perpetual DHKs is asinine.