> The point is that if you can identify a general characteristic that is being used in a way which disproportionately contributes to a particular outcome then you can filter on that.

In a non-adversarial political context where we trust the government and the future ones, sure, but I think without any strong guardrails, we could enact a law that's good today, but will be exploited in the future.

For targeting minors with any kind of political speech - I'd love it if it wasn't legal. But that brings its own can of worms. There's enough discussion on HN on the implications of age verification, whether on how it's done technically (privacy-preserving or not (ZKP or just shady 3rd parties); FOSS or not; on the ISP, OS or app level, etc.) and whether the mere precedent could trigger additional issues down the road.

Anyway, I'd love a society where everything is perfect, but I'm afraid of what might actually happen. With a benevolent god as a permanent ruler, I'd be happy with 100% prosecution rate against all kinds of littering, hate speech and whatnot, but in reality random crimes are easier to evade than a law passed down by a malevolent government, so I'm strongly against any kind of overreach. (Because the law tomorrow could be one we must evade if we want to resist an unethical government). Someone will likely chime in with "but complete and massive overreach has never happened so far", to which I'd reply - we're close to the point where technology will let the ones in power grab that power absolutely and forever if we them grab too much in the beginning.