I agree with him. You have to take measures to protect the populace, like with traffic laws. If people can't abide by those rules and the science is sound (which it is in this case and in the case of traffic laws), then measures have to be taken to protect the community from those that refuse to abide by the verifiably safer option without due cause.
What those measures are can be deliberated amongst the community. Could be fines, could be jail time. I don't know what would compel someone to get a vaccine, but that could be determined over time.