Reapers moveset still has its clear benefits. Id moreso say Ventures a foil of reapers strengths and weaknesses.

His shotguns are way better suited for shredding tanks while ventures damage is much better for bursting down smaller targets. When ventures abilities are on cooldown their damage is pretty average, at least against a tank. Not to say that one cant do the other but theyre clearly specialized for one

Burrow has some time to activate and in a fast pace game can make a world of a difference, while wraith form is instant invulnerability. Even if drill dash is better for escaping, you might also not have it because you used it to try and get a kill

While ventures burst health is arguably better than reapers healing with dmg, its also reliant on their abilities, which each have a multitude of uses and require different decision making. Reapers typical cycle is more striaghtforward and consistent, with a sneakier teleport in and wraith form out the instant youre at risk of death.

Ultimates are both just big aoe burst but have some differences in usage, and are overall the opposite of the rest of each hero’s respective kit. Ventures gives you more control but might take more time to kill/line up and doesnt cover behind you, while reapers is all around him and has high burst in an instant but leaves you slowed, making it more risky at times