If there was a way to play the old version of the game like how Minecraft let's you choose a version in its launcher, it would be worth it. Even if those features wouldn't work in online play, just an offline mode where you could play as pre nerf Mercy, Hanzo or any of the other characters that got 'reworked'. Overwatch kept painting over itself in an attempt to stay fresh, but it also painted over a lot of what made the game as amazing as it was when people first booted it up 6+ years ago.

If you asked me to review it in 2016/17 it would easily get 6/5 stars.

If you asked me to review it any time after 2018 it would get 2/5 stars.
I'll just give it a 3.