Armchair warriors often fail, and we've been poisoned by these fairy tales.
Aoi Aoi toki ga toke dasheta.
and bombed all my opponents' buildings since it was a free action.
Which single building did you damage a single time with your free action airstrike? You need the mainboard action to use more than 1 plane.
Now damaging 1 building a turn can be quite a nuisance to the other players, but if you aren't advancing yourself, you're just falling behind and slowing down the game.