CSU is going to left out in the cold until they come to their senses. It’s a repeat of 1976.
CDU-FDP-Greens can easily rule in a minority coalition.
Minority government, that’s the ticket.
Back in 1974, there were only three parties (CDU/CSU, SDP and FDP). In this set-up, the FDP’ often played the roll of kingmaker. Today, with six parties (CDU/CSU, SDP and FDP, and also Left, Green and AfD), with AfD and maybe the Left off limits, it’s difficult to assemble a cogent coalition.