One, it isn’t a bullet.
Two… ana’s unscoped, lucio’s primary, Mercy’s gun, Zen’s Orb, Pharah’s rocket, Soldier’s Helix Rocket, Genji’s primary, Echo’s Primary, Echo’s sticky bombs, Dva’s missiles, Baby Dva’s Primary, Roadhog’s right click, Orisa’s primary, Rein’s fire strike, Sigma’s orbs.
Plenty of projectiles don’t arc. What makes Mei’s different that it needs changed/nerfed?