It was citizens who were identifying rioters on Jan 6th.
The riot appeared to be all chaos and anarchy. But as researchers gave the online video and photos closer scrutiny, they produced forensic evidence that has identified those involved.
www.npr.org
People who actually committed violent crimes were arrested and prosecuted from the summer 2020 riots.
I doubt you have been given an accurate perspective of what the police did in the summer riots. The right wing media does not provide any information that would disrupt their narrative.
For example, take this action.
The 99-page report, “‘Kettling’ Protesters in the Bronx: Systemic Police Brutality and Its Costs in the United States,” provides a detailed account of the police response to the June 4 peaceful protest in Mott Haven, a low-income, majority Black and brown community that has long experienced high...
www.hrw.org
It resulted in many arrests, basically none of which would result in prosecutable offenses.
Police abuses in the social justice riots in 2020 FAR exceed anything that the right wing is dealing with.