I think it’s a crucial distinction that the police did not impose the curfew. The politicians imposed the curfew and ordered the police to enforce it.

After the multi-month long shutdown for COVID (and the very questionable justification for pushing 40 million healthy people out of their jobs) I think a several day curfew to limit widespread rioting and looting is both relatively minor and highly targeted by comparison.

But even if you disagree with the curfew, it’s not the police that imposed it.