10 people are still quite a lot, in that we have some choices
And i agree that the LH is the most difficult, since it is effectively a very detailed unit. But in Civ3, for example, all of the unit makers produce very detailed units all the time, so it is not some skill that is mythical by any means
Buildings and other gfx- especially static, ie non zoomed in/out- are easy to make though, and Firaxis never really showed that its artists have real talent in gfx in my opinnion.