You've made assumptions that I think matter.

many voters see right through that

Yeah but the voters who don't, the voters who can change their mind, are the ones who need that. They're not doing it for the 90% who see through that, they're trying to convince the last 10% to vote for them.

reasonable people choose [better policy] every time

Same thing. They're not going after reasonable people. We've see recently how many people don't care about policy and only care about how the character is displayed