I don't know if
all the hero doppelgangers on Earth-2 were villains... were they?
Right, which is why they renamed Laurel Lance "Dinah" and Curtis Holt "Michael." Oh, wait...
True, they also changed Arrow to Green Arrow and Starling City to Star City. But it's not mandatory.
By the way, speaking of acknowledging the past, get this:
https://www.facebook.com/photo.php?...207646343550.116969.1000413311&type=3&theater
I hadn't noticed before, but the lightning bolt and belt on Shipp's Jay-Flash costume are similar in shape to those on his 1990 Barry-Flash costume.