I think hypocrisy is a valid argument specifically when someone claims that they should be trusted with political power because they behave in a puritan, unassa

I think hypocrisy is a valid argument specifically when someone claims that they should be trusted with political power because they behave in a puritan, unassailable manner, while their opponent is merely human. When it turns out they're a hypocrite, it strikes at the core of why they were elected. Moreover, it SHOULD remind people that the guy who claims his morals are unassailable is lying to you.