Unionsminister: Sitzblockierer sollen Polizei-Einsatz bezahlen | tagesschau.de - which would also help to control the annoying demonstrators, because hey, it's simple: demonstrators in general or even strikers cause costs and then you can get them from them and then people will think twice about whether they go out on the street!
The erosion of democracy has always worked quite well through the wallet.