User blog comment:MakeShift/Discussion on post-Crisis changes to the wiki/@comment-39280494-20200120065101/@comment-2054358-20200122213401

That ring Cisco made that allowed Laurel to wake Mia's memories supports that idea that it's their memories. A ring that incorporates J'onn's ability into Cisco's tech wouldn't work with doppelgangers, would it? And how Laurel is still from Earth-2 supports the same-character theory even more.