I have 2000 hours on this game, an hour on Mercy

Many other players, myself included, feel she is well balanced at the moment as well

That said, “balanced” is a judgement call. I value rez highly, for example, while someone who thinks it is a worthless power than can only be used behind a Rein shield might well value it far far less, and thus see her overall power as lesser and ergo decide she is underpowered rather than balanced. Some might even see she is overpowered, though I don’t see many taking that position

So I get that everyone can have a different opinion on her state of balance

but

the devs say she is well balanced and many many players say so as well, so there is that