Thats how I'd sooner do it too, try to be direct to whatever authority there is rather then waving signs around, that is energy spent with little results. That said, I did enjoy the one year I walked with the gay pride parade in London carrying a rainbow flag, though that event feels more like a caravel and celebration then protests of any kind.
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there was a period I thought the same, that all feminists were like that, because of how the media and online portrayed them. luckily I learned there is a huge difference between the two.