Pathfinder Rulebook, Starfinder Roleplaying Game Subscriber
Karneios wrote:I always guessed the strength requirement on form control was there to be a sorta guide to that if you were gonna use the form controlled forms in combat you'd want high strength anyway to have better accuracy from using your own unarmed attack modThat only works if you're using a spell that caps out below your current maximum, or on like 4 levels otherwise. Building to use your own bonus is largely pointless if you're using the most recent form spell."
I think that's the point, perfect form control is a form spell 2 ranks lower than your max. To make it less of a trap for some players, giving a 4 str requirement makes the feat work much better when you use your own attack bonus.