>There's a third option of actually engaging in the discussion. You know, actually investing the efforts of silencing anti-vaxers into explaining the truth instead
A good faith discussion between opposing parties requires establishment of some common ground and a set of rules of engagement (eg 'claims must be supported with facts/data'). Cult leaders foster a sense of paranoia among their followers which makes a good faith debate virtually impossible.
You aren't after a good faith discussion and the vast majority of people with reasonable knowledge, myself included, accept that in general, vaccines save lives.
A good faith discussion between opposing parties requires establishment of some common ground and a set of rules of engagement (eg 'claims must be supported with facts/data'). Cult leaders foster a sense of paranoia among their followers which makes a good faith debate virtually impossible.