Earlier quoted context omitted.
But they're only a proscribed group because the cabinet decided it was politically convenient to proscribe them. It's not like these guys are the Taliban or the IRA, though some of them did chuck some paint on some planes. So a person who is worried about Starmer's authoritarian tendencies lay responsibility for the police action at the door of number 10.
They destroyed "drone and aircraft machinery" [0] at APPH and at Teledyne "damage to the clean rooms could halt production for up to 12 months" [1]. [0]: https://www.bbc.com/news/uk-england-merseyside-57403049 [1]: https://ukdefencejournal.org.uk/pro-palestine-activists-dama...
The argument here is not the PA should be let off scot free. The argument is that proscribing them as an organisation is a massive and authoritarian overreaction to their actions.