In a gross generalization, I’ve found the people who tend towards being supportive of on-line voting are the people most likely to be up in arms over the unlikely possibility someone lost their vote because of a robo-call.
In my limited world view, the most against? Computer professionals. Yes, hipsters, that is a clue stick. But, hey, if there isn’t an app for that, it isn’t worth doing…or something.
Washington, D.C found out after two years of research and hardening that missing a few very complicated configurations elminates all layers of security. Better to read is the paper (PDF, 18pp) that describes how the University of Michigan team did it.
The paper is valuable for the rest of us…it’s also something you won’t see from the NDP fail because they used a proprietary system…which is another story altogether.
Money quote?

Our successful penetration supports the widely held view among security researchers that web-based electronic voting faces high risks of vulnerability, and it cautions against the position of many vendors and election officials who claim that the technology can readily be made safe.

Paper ballots with ID work, they’ve always worked and they will always work.
….don’t “fix” it.