One thing to keep in mind too, it could all be a misdirect for everyone for Episode 9. The reason for this, if we may recall, Snoke created that “mind” link between Ben and Rey. Granted he explained his “trap” with his reveal he planted that conflict in Ben. Maybe he cooked something up to draw Ben to Ray with the whole parent thing. A way for both of them to draw together for different reasons so Ray would come to Ben … which was the trap.
Granted I am not saying that is exactly the case and has it flaws. But hey, we have to wait and see until Episode 9…