This is probably the best way to deal with someone in these situations. No insults, no arguments, just “I thought you were smarter than that”. It might actually make them think about it rather than dismiss you out of hand.

But she doesn’t have more moderate views than the rest of her party. The article mentions several of her policy ideas that are as or more extreme than what the party line is.

I feel you on the radio aspect, I cycle through all my presets on my 25 minute commute because so many of them are just ads for 5 minutes. And for some reason my rural area has 4 classic rock stations but I can’t find one that plays anything modern but pop and pop-country.