I was going to write that if arrests are not made then democracy and rule of law are a total illusion. But this has been true for a long time. Maybe this is part of the demoralization stage, referred to by that most famous of KGB defectors to the West, Yuri Bezmenov.
https://vladtepesblog.com/2021/06/10/our-colleagues-in-china-inserted-spike-proteins-in-sars/