Malcolm 'bum' was an exclamation at the fact that Amos had just made the point I was going to.
We were asked to comment on the extracts quoted, and that is what we indeed did.
I am sorry you do not like some of those comments or if you feel insulted. It just demonstrates, I think, the difficulties involved in trying to study, preserve and embalm a thing that stubbonly refuses to lay down and die.