Again, Widow’s hitboxes are the way they are because she has the potential to oneshot the majority of the cast while they’re still at full health
Brigitte has that ability against a single character on the roster
Also, (even though I’m sure you’ve heard and subsequently dismissed this perfectly viable and undeniably true argument many times before) Overwatch isn’t CS:GO, it isn’t CoD. Some characters are hard, some characters are easy, and in some cases the easy characters get more value than the harder ones. This is 100% by design, and unfortunately will never stop being a thing no matter how many threads get made