Sure they do, but the rest of us have the right to make sure they don’t work where we work, or go get services, or get hired by us as doctors or lawyers etc. they can say anything they want, they just have to accept the consequences
In my world, colluding/conspiring is OTB.
If individuals want to act-go for it.
When industry/institution start ganging up against the individual for lawfully expressing themselves on public property-that is fascism and I’m out.