I agree there's no real need to use PoW this way. But this could be interesting as a sybil-resistant voting mechanism. It could be helpful for experiments in q

I agree there's no real need to use PoW this way. But this could be interesting as a sybil-resistant voting mechanism. It could be helpful for experiments in quadratic voting, liquid democracy, etc. As you point out it's not perfect, which is why I used the word "experiment," but it's a step forward at least.