[danso]

I think they should be, once they get to the point where they are ubiquitous enough to be considered an official identity and information provider (in the way that newspapers and TV have been), something which they've brought upon themselves in advocating a "real name" policy.

The idea that UI/UX can change the outcome of an election, though, isn't terribly new. Consider 2000's butterfly ballots: http://www.asktog.com/columns/042ButterflyBallot.html

Though of course it's a different thing when a county inadvertently affects vote results by unintentional bad design, versus when a centralized entity intends to have an effect.