That does not mean they can still be investigated or that findings on their wrongdoings exposed.
Find all dirt, display it for full view and let people decide (and promptly forget) who were the real criminals. And to those who use the excuse of Biden (really his handlers) trying to avoid people thrown under the wheels of Lawfare, just smile at then and point out the absolutely enormous irony of their words.
And not for nothing, the J6 “insurrection” ended up actually triumphing albeit 4 years later.
That should piss them off.
Only bright spot is pardoners can be compelled to testify before CONgress without 5th Amendment protection. So that’s something.
The shenanigans are never over. These people take politics seriously.