US government has seized multiple torrent (and other) sites

The US government has now gone directly to ICANN and taken over a bunch of domains that was focused around torrents and counterfeit products. The strange part about this is that they have done so with no written notice to the site owners or even registrars, they simply got a court order and went straight to ICANN.

The first thing that comes to mind now is, will the US government in the future simply take over any domain with content they do not approve of? And what can stop them?

These sites where seized in this round: