Sadly I think what he does now is a better indicator of what he would be like in power than what he did in the 1990s.
Putting compromise above principle is how you win elections and how you end up with Blair. But someone has to push things to the left and hold people to account.
we were talking about this on a few music threads eg
so much of our opinions are "reactionary" in the sense of being situated within some context of what we perceive as the larger opinion
so much of thinking someone is "bad" or "good" is, under the hood, about whether we think they're over- or underrated
Bourdieu talks about this with political positions a bit too, the way that a text "pushes" against current opinion, tries to "twist the stick in the other direction." the opinion doesn't exist in a vacuum but against the dominant ideology it's responding to