Part of an event called Sternfahrt where cyclists protest for policy changes by taking over the city on 20 routes covering 2000 km of public roads.
some infos in german: https://berlin.adfc.de/pressemitteilung/adfc-sternfahrt-medienkit
translation to english: https://berlin-adfc-de.translate.goog/pressemitteilung/adfc-sternfahrt-medienkit?_x_tr_sl=de&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp
Some very normal person is gonna comment on this somewhere openly fantasizing about running all of them over for “taking up the roadway” and a bunch of other very normal people are gonna concur without any pushback.
And when you report it to the platform the moderators won’t see anything that goes against said platform’s code of conduct.