[Fedora]

Yes, attempting to shut down Washington in order to prevent Trump from assuming office is a coup attempt. Your reference to Starbucks window-smashing is confusing what they were actually able to accomplish with what they expressly intended to accomplish.

[Jack Black]

LBJ took the oath of office on AirForce one. They had no plausible way to "prevent Trump from taking office". In their fever dreams they might have been able to disrupt the parade, that was really their goal. Make a spectacle.

But, they mostly failed at that too.