OK. At a keyboard now so I'll flesh this out a bit.
In my experience people have a fairly balanced view of unions. There's pretty broad membership. In most places I've worked people join the union if there is one. Some unions where regarded negatively at some points in time but there's also general sympathy for some industrial action. It varies - blue collar workers tend to be more positive and white collar workers (especially in non-unionized fields) tend to be less.
But this guy seems to be implying that that's wide-ranging hostility to unions in the UK - which I've never been aware of. There's a plurality of views as you would expect. I've known plenty of tory-voting union members so it's not even a strict right/left split.
