Explaining the Increasing Authoritarianism on the Left

The increasing authoritarianism on the left reminded me of The Sociological Counterpart of Cheyne–Stokes Respiration from Stand on Zanzibar by John Brunner. It might be due to the decline in ‘liberaltarianism.’ If leftists have fewer libertarian allies who can say “Are you nuts?” in response to authoritarian suggestions, those suggestions may be taken more seriously.