I guess you're right. :-) The only usage case would be if someone wanted multiple accounts at the same site, and that would be rare indeed. The only other rea

I guess you're right. :-) The only usage case would be if someone wanted multiple accounts at the same site, and that would be rare indeed. The only other real concern, site hacks/collaboration leaking where you're a member of by public key, wouldn't be alleviated by merely a handful of keys anyways: you'd need unique keypairs for each to be truly secure.