What’s so so silly about it? He flouted the Geneva conventions both in declaring war and in torturing people for 7 years, lead the country into a unilateral pre-emptive war based on knowingly false pretenses, invaded a country that had nothing to do with anything for no reason at all and initiated illegal drone…

Expressing and idea always has a cost

You’re correct in this sense, but one of the main talking points the right was using was that we should never criticize the President (especially?) in times of war. Which is complete horseshit, and is one of the reasons people still get pissed off about the railroading of the Dixie Chicks.