But it is not whether it should be fixed that is controversial. It is how you fix it. And there's plenty of danger with most fixing procedures.

And yes, there's also some propaganda for not fixing it at all. That's what support voting machines (at least here). But, again, how do you fix the problem that makes propaganda viable?

For the specific problem of voting machines, candidates accusing others may be the best avenue for moving people in the correct direction.