That's why you shouldn't draw them.
Besides, haven't they already introduced us to all three of them in one form or another? They've already piqued our curiosity... why not follow through? Otherwise the equivalent would be like being in a peepshow booth back in the 1910's.
From what I've seen of the Falmer, I wouldn't be surprised if we got a tall version of Gimli as a Dwemer warden in the starting dungeon.
It would be a good oppurtunity to add new races and a new art design, but I don't trust them

.