This.
‘‘Aim better’’ is not the answer to mobility, because its easier to aim and kill immobile heroes than a 2 pixel hitbox mosquito who can oneclip most heroes in the game.
McCree destroys Sym faster and easier than he can try to softcounter Tracer.
They just need to implemented grounded debuffs on heroes outside Zarya’s Ult. Those dont affect most tanks and in fact most heroes but deal with hypermobility quite nicely.