They are, but you're discounting the tactical implications of a modern, western army force stationed in the enemy capital, and allied to that enemy. The RPF was superior to the Rwandan army, but it wasn't superior to the French army. The french had the effect of making Kigali like an impenetrable castle that the RPF had to work around until the military situation was so favorable towards the RPF, and international condemnation of the Rwandan government so strong that France could no politically act as a major force multiplier, except to evacuate the perpetrators of the genocide.