I'd rather persuade - it's better long term if people get the shot voluntarily. We've just hit a point where it seems more more persuasion is possible.

Or am I wrong? What could possibly persuade the current holdouts?

The news needs to show more videos of sick people and bodies stacking in freezers. That will do it for most. They're incentivized to draw it out though. They would love 3 years of COVID, at least profit wise.