> These employers have the same right to associate with whomever they choose. You'd take it away from them.

That may have been true at some point a long time ago, but it's definitely not true any more.

https://www.dol.gov/ofccp/regs/compliance/posters/pdf/eeopos...

However, political views aren't a protected thing, but religious views are. Seems silly to me, but that's the law.