There was a misunderstanding.
Article 8 of the German Basic Law (GG) guarantees the freedom of assembly.
They think that the pandemic is a test run for a totalitarian surveillance state not that COVID is not real!
The people are shouting "we are the people".
This much is certain.
Thanks for the translation!
I have revised and corrected the post to avoid misunderstandings
https://peakd.com/freedom/@fago/demonstration-in-berlin-against-measures-to-combat-covid-19-pandemic