First off, these people didn't break into congress. The cops let them in: https://files.catbox.moe/aubtgc.mp4

You know it wasn't bad blood at all or tensions flying because the cops were literally taking selfies with the people they let in: https://twitter.com/DGPurser/status/1346978155681247234 (edit: better sauce)

This is not even abnormal or irregular. The cops let people in for the 2016 election's congressional EC hearing only to peacefully escort them out without arrest when they disrupted proceedings: https://www.youtube.com/watch?v=N4Ct-Wv4ftc