Inserrectionists who stormed the capitol to take Congress people hostage and stop the vote got distracted by posing for the cameras, taking selfies and casually enjoying themselves
There's no contradiction there, despite your efforts to portray one.
People often take glee in and celebrate violence even as they commit it against others.
The german language has even given us a word for it: schadenfreude.
Thanks to the lies from the politicians and media personalities they follow, primarily the president, many of these people also fantastically believed that they were overturning a fraudulent election, and were therefore celebrating what they thought was an imminent success in that objective.