The single individual or 2 who killed the cop will likely get decades of prison, yes. But you are living in fantasy land if you think that hundreds or thousand

The single individual or 2 who killed the cop will likely get decades of prison, yes. But you are living in fantasy land if you think that hundreds or thousands of people who were in any way related to the rioting will get anywhere near the same amount of jail time. So yes, for most of them it will be a couple months max and a felony in their record.