Personally I think the controls are very intuitive, a real step forward in console RTSes, and a sign of a good RTS in general, I much prefer console RTS games to the PC versions now due to their more streamlined control system, halo wars was designed as a console RTS from the ground up and it works, mien gott it works brilliantly, I understand where the hate for it comes from, but I seroiously believe that no game has done the RTS genre on consoles better.
I do think it could have been improved however, however this is all about quantity rather than controls, what it needed was a covenant story, it needed one desparately, the 14 UNSC missions were brilliant and varied, but the books give enough material to provide a story about the covenant activities on HARVEST, as well as the rise of the shipmaster.
The online is very good, I disagree with the notion that more than 2 teams would be appropriate due to the fact that the maps are designed with ground control and attrition factor in mind, more than 2 teams will lead to one player being able to turtle it whilst the others just fight it out, by the time that one team is obliterated, the other team would be fully stocked, supplied, researched and SPARTANned up!