I hate to burst your bubble, but Overwatch developers hate Symmetra with a passion. I mean they literally did a career change on her if that didn’t bat anyone eyes. Remember that Doomfist is a top popular character for the sake of his name in the lore and anime cinematic. If they was to revert his stuff I wouldn’t be surprised like Tracer’s ult. It’s not at the old damage, but it’s almost there.
Symmetra will always be the trash of Overwatch no matter how good you do her. Even Bastion is likeable compared to her.