I'm reluctant to absolutely rule out the possibility, because I suppose that under certain circumstances I may consider it - although I can't right now imagine those circumstances. I just prefer to reserve my right to change my mind about whether I'd resort to that behavior.
I don't like crowds and crowd behavior, and I think there are better ways of getting things done (or trying to) than to go stand in crowd and/or hold signs and//or yell. I know that sometimes being out there in a crowd can serve some purpose. It can also at times backfire with regard to some purposes.
I'm not trashing all demonstrations by any means, but for every sincere individual with a legitimate cause/motivation, there are often a bunch of twenty-year-old "sheep" who just think it's cool to be "involved". And, these days with so many Baby Boomers looking back on their "glory days" of protesting and "being involved" or "trying to make a difference" (in the 1960's/early 1970's) there are a bunch of Boomers who are only too happy to re-live their youth as well (as if our culture remains frozen in the 1960's).
I just think that when groups can be formed/joined, and with the Internet being what it is now, there are most often more constructive/effective ways to try to make a point or get change than to take SOME issues to the streets (especially if it's an issue that holds a high risk of things turning really ugly).
With something like the health facilities you mentioned (or in my area there was "thing" about a supermarket chain) maybe standing out there with a sign is a harmless way to show support and numbers. To me, particularly in the current climate that's going on in our society, I really think people who form/run some types of groups should try to steer activities with the focus on things like substantial communication and projects, even gatherings (just not NECESSARILY) essentially inviting everyone and his brother to stand out with a sign because they have visions of "coolness" and "being involved" or even "being part of something bigger". College students are capable of better/more than that as far as trying to "make a difference" goes. Baby Boomers OUGHT to be.
People in-between are often too busy, and secondary-school kids need a better example than what SOME protesting shows them today.
I just think people need to be selective about their causes and approaches, and not let the right to protest be cheapened by protesting "everything".