Jarosław Kaczyński loses to Grzegorz Braun. Why is this happening?

PiS effectively printed in his voters' head that if something is pro-German, it is anti-Polish from the vending machine. On the another side, there is simply a akin process: everything pro-American is bad for us now. And then all white comes out Braun, who is both anti-American and anti-EU, announces that 1 must simultaneously leave NATO and the European Union [...]