Set aside ethics for a moment
*Were* Trump to win, that's pretty much it for NATO. Germany and every other European NATO country would have to step up its contributions *massively*
Ukraine would be in considerable danger of losing to Russia
The FINANCIAL costs of all of that ALONE will blow a massive hole in Lindner's sacred “schwarze null" (debt brake)
It's in Germany's (even FDP selfish style) interests that Harris wins. Full stop