Most of the time these dystopian descriptions of the UK turn out to be completely overblown nonsense when you look into them properly.
They're arrested for supporting a group that's been banned for causing around £30 million's worth of damage to our national defences at a time of hightened national security.
There's the implication that Palastinian Action are going to continue attacking us.
If they just stuck to protesting they would have been fine.
What gets classed as "support for" and "terrorism" is not evenly enforced.