“Nazis is politics” is here in germany often used in a paraphrased way by far right people to justify their point of view, since nazi symbols and thing like that are forbidden by law.
By adopting such prases, even if unintentionally, one reproduces and legitimates such thinking.
No. After the pairing process Bluetooth is of course encrypted. If you can tap in before that, well then you could maybe do a mitm or something