As I read it, what Big Mick was saying there was that generalising from bad cases where things go wrong is no different from generalising from good cases where they go right; if it's right to go from the bad cases to a generalisation about the whole system being corrupt, it'd be right to go from the good cases to a generalisation about everything being fine.

Which isn't denying the suffering caused in the bad cases, which is how it seems to have been read as meaning. And one of the benefits of the Mudcat being a place where we can get to know each other in some way, surely noone can think that Big Mick was doing that.