"anti-vax" means nothing at this point. Being against children being forced to take an experimental injection to "protect" them against a disease that is already mild for children and doesn't even stop transmission apparently makes me "anti-vax". If so, fuck it.
They are literally mind controlled but it doesn't need to be something that high tech. Its plain old brainwashing that has been around for ages. When you raise people from birth exposed to the same lies from everywhere around them, they will unfortunately believe it unconditionally.
Imagine using "Latinx" unironically. Most Hispanic people hate it