Of course there is nothing winds up Trots and their fellow-travellers more than getting some fire from their own side of the fence.
Unable to take on arguements different to the orthodoxy of the, ahem, conservative left they prefer to blithly label their internal opponents as outsiders, as traitors.
Far easier for some to dismiss an arguement by labelling it right-wing than to deal with the content it seems.
I have to say though there is a worrying sign that some people on the left seem to be taking a great pleasure in provoking a reaction from the far-left.
This is can get out of hand.
I mean some people are even make a living from it.