Earlier quoted context omitted.
Sure, and it's fucking stupid they didn't have appropriate security given the nature of the day. The insurrection didn't start on that day. If the label is being applied, it started when police were assaulted, innocents were maimed and murdered, mass scale breakdowns of security and control were in play, and collectives attempted things as extraneous as declaring parts of the United States an Autonomous zone, a clear…
Fucking stupid? It seems at this point to be quite likely deliberate. Multiple requests for aid were refused, or ignored. The security at the Capitol was half the size as it was when a group of army veterans marched for disabled vets rights a few years ago. That's not fucking stupid, that's an entirely deliberate and reasoned choice.
The security forces then get rid of the protesters and the new set of officials move in.
It's just how it works.