Past anti-liberty shifts in the US have come mostly in times of crisis, such as war and depression. The present wave started in a time when nothing was really going all that badly. That makes it more ominous. It's not desperation but a deeper shift in thinking.
Liberdon is a Mastodon instance for libertarians, ancaps, anarchists, voluntaryists, agorists, etc to sound off without fear of reprisal from jack or zuck. It was created in the wake of the Great Twitter Cullings of 2018, when a number of prominent libertarian accounts were suspended or banned.