In all likelihood, yes: they are from a faction of the Labour party that was routinely surveilled by police throughout the 20th century (and more recently, in all likelihood).
The election manifesto for Labour in 1983 contained pledges to abolish the secret services, too.
Not to mention the fact that this same part of the Labour party is often engaged in protests that will have left wingers as attendees and speakers. They're very often on the sharp end of both surveillance and crackdowns on protest.
That combined with their belief that the police are racist (eg the Met) and that prison is generally harmful is not likely to produce an authoritarian programme.
They'd have dealt with large scale tax dodgers too, unlike the current leadership.
There was an unofficial drinking game on the internet, Kevin found out about it and deliberately made one episode to ensure all the rules got hit as frequently as possible.
It is a gem that tells you when you are accidentally making a N+1 query and suggests the best way to fix it in AR (it also tells you when you have over used includes that are not needed and other such tweaks to make to your queries).