And then we had a historical incident of political violence perpetrated by the same demographic. Move fast and break things indeed.
But "staying online" isn't the Parler goal. Matze wanted to run an internet giant, not keep a seedy right wing reactionary forum alive. I mean, 4chan and 8kun already fill that market.
He's just going to pack it up, keep his head down, and try not to get sued (or charged).