One step backward can save your life as Roadhog, or one step forward against one.

finding the sweet spot with roadhogs right click is satisfying

This may be well known, in that case sorry! At a certain range (in the linked clip) both the left and right click for Roadhog do low damage but if you take one step backward right click does full damage, you have to take several steps forward to get a full damage left click.

It's tough to pull off in-game, but you absolutely can take advantage of this dead zone against Roadhogs.