I'm not clear what "spillage" would look like, but supposing it does happen occasionally (as it does now, from time to time), isn't that something that our kindly moderators could 'moderate'? I'm not trying to push anyone's 'buttons' here, I just thought it would be cool to have a little space here to talk about these issues that sure look like they're going to dominate our photographic lives in one way or another.
It'd be nice if I had a place here to report to the membership that (sometime in the future?) I was stopped on the streets of San Francisco by police who then confiscated my camera and fined me for taking pictures of tourists on the cable cars.
Of course, as explained earlier. Mods may attempt redirection, if they see the thread in real-time. Which is unlikely as we aren't reading all threads all day as they arrive...
Your example is a good one. That experience could certainly be described and discussed without injecting personal political commentary.
If the wording is such that it's going to invite an aggressive rebuttal, then that's not the wording to use.
We respectfully ask for self-moderation, quite simply.