Many of the robots I've seen IRL are not all that great on various terrain. They work well on exhibitions floors. Practical robot usage is more demanding. If we want to use bots for stuff that are deemed risky for humans we need robots than can handle all sorts of environments.

Omni-Directional Wheels gives a lot of flexibility to the movement. The problem is that the size is a little small for heavy work. But I guess things can be scaled up without major problems. Cool Hunt :)