Probably not, because Ventus is incredibly naive and stupid. He didn't know what Master wanted until Master dropped Heartless on him, saying "let these devour your heart". The basic invitation to become a mindless, heart devouring monster who can't reclaim his own heart, because it would grant power.

He made the choice to shatter our heart too. It's why we're as good as dead if he never wake up.

[He hissed, at first, his tone breaking a moment, but it only serves to make several of these appear. Vanitas stands again without hesitation and takes them out with some rough swings of a suddenly summoned keyblade.]