I think even less dialogue would suit the scene better - also not being strapped to a board at the time either.

In all fairness, he did warn him that he had the higher ground...

He didn’t go to the dark side because of his anger or hatred. Those were symptoms of his greater flaw, which was his desire for greater control. That was his flaw from the very beginning. His reckless pursuit for Padme’s survival was more of a selfish passion than a selfless love. Every evil thing he did in that movie…