I have been studying the diamond system in detail and pondered on the possibility of pro's and the equivalent knowledge or lack of the diamond system. Do they all know it or just naturally gifted at seeing the angles and relying on instinct?
BTW, they are all designed to provide guidance when kicking/banking 2, 3 or more rails. There is no silver bullet that will work perfectly in every situation, given the differences in cloth, rails, precise ball position, etc. etc.
So do all pros know a system or 4, sure. But they fine tune every shot based on the specifics unique to that shot. These adjustments are based on their knowledge and experience, or instincts.
So the answer to your question is Yes, and Yes.
-von