That, and even if you’re not considered part of whatever targeted group the current regime hates today, it doesn’t mean they won’t invent a new targeted group tomorrow that just so happens to include you.
This is before getting into all the false positive “identifications” of “criminal behavior” aimed at demonstrably innocent people e.g. as is already happening with the current Flock camera debacle.
No government has any legitimate reason to surveil its own citizens, and if any such excuse is generated to justify it in the beginning it is guaranteed to devolve into a tool of oppression afterwards. Once you give up rights there is no reality in which any government will voluntarily give them back.
That’s not the issue. If it were confined to just the adult ones, anyway, it’d be little harm and no foul. The problem is these twerps also don’t vaccinate their kids, who have no say in the decision making process, and die of easily preventable diseases. The antivax crowd themselves also become disease carrying vectors putting those who can’t be vaccinated at risk, i.e. immunocompromised people.
If said morons contained themselves in their own cabins in the woods without coming into contact with the public it likewise would not be a problem, but inevitably you find them coughing all over everybody else at Walmart instead.