Hmm… Does that include “Hide and Team Wipe” as well? 
Also… I would argue that tempo rezzes were in fact a lot more effective than hiding and rezzing, you held a bit more mid fight potential, and less time not being engaged in the fight. And let’s be honest as well here on that topic. Mercy still needs to hide to rez, and a lot of other heroes still need to hide in order to ult.
The “hide and res” argument should have never been a point of reference when giving her the the rework in the first place, but that’s just me. 
~Sincerely Yours xoxo,
a Lover of True, Fair, and Fun Balance.
xavvypls 