Now I don’t think for a second that Apple or Google really want to pull these apps; they are just 'playing safe’, safe in the knowledge that someone is going to start a 1st Amendment lawsuit - which does seem to have happened.
Absolutely this is going to end up with your Supreme Court;* so years might pass before it gets settled. Either it’s fine, but too late, or it isn’t fine, in which case you now know the limits of your first amendment!
* your, because I’m British, but I do understand how your system works, or doesn’t!