If they've got anything to say to Steve they should've said it to HIS FACE when he was alive. RMS is a low life pig and a coward and I won't be surprised if people piss in his grave after he dies a lonely death.
I don't doubt they've met each other on several occasions and that RMS has told Steve to his face that he disagreed with him. They moved in a lot of overlapping circles and RMS is many things, but certainly not a coward or a hypocrite. He has always put his money where his mouth is.
While I am with you about finding RMS action here despicable, the comment you upvoted was not appropriate for HN.
As I have no doubt RMS would have told Jobs what he thought directly as he has done this in the past with many people. I remember him getting an award and in his speech speaking his mind about the people giving him the award (it was an opensource conference) about using the word opensource etc... He's not shy to insult whoever contradicts his views.