Completely different application of rules is a huge one. Over 150 days of violent riots causing hundreds of millions of dollars and including explosives attacks on courthouses, an attack on the Whitehouse that sent the president into a bunker, buildings burned down with innocent people inside, and occupation by a group claiming to be autonomous of the government were "mostly peaceful protests" and most people involved were released immediately. Contrast with j6 or the trucker convoy, it's clear not all people are treated equally under the law.