(Not fun) fact in german law, the use of "Schutzwaffen" ( means defensive weapons) is illegal at a demonstration, a Schutzwaffe is for example a helmet, shield or gasmask.
The link is for the german wikipedia, because the german law part is not in the english article.
ZF is experiencing more problems that the chip shortage. I work as a development service provider with ZF and it is most of the time awful. There a far more middle management layers between me and somebody who knows something relevant, than at any other company I have worked with. The term "Wertschöpfung" (value adding) is not to my taste, but when I have meetings with most ZF personnel, I have to think about the lag of it more than anytime.
If not they would gas them selves, of course cops are allowed to use gas masks and riot gear.