You are only talking here about a very specific sub-genre of RTS. BAR and Zero-K have quite good pathfinding, and (especially Zero-K) advanced unit AI, and also

You are only talking here about a very specific sub-genre of RTS. BAR and Zero-K have quite good pathfinding, and (especially Zero-K) advanced unit AI, and also much more powerful user commands available, yet they still manage to have unit micromanagement matter a lot.