They’re terrific…with animation cancel. But without it, they trade very poorly in a pitched melee combat with any melee unit composition in equal resources: the chief reason being that their surface area is so large that they take damage from multiple enemy units at once.
Perhaps a small AOE damage for tusk attack warranted? Let’s say, 25% of damage is done to units adjacent to the primary target.
They feel overpowered when animation cancelling. For sure. But a simple attack+move battles show that they are terrible at tanking. They’re not that great at counter siege play either since they are too slow for such a role.