It seems perfectly consistent to me that someone worried about people being fired for controversial opinions would not give such an opinion non-anonymously. I don't see what point you're making.
I think the user you are responding to is attempting to undermine anything that can loosely be construed as a defense of Stallman. A bit of a dirty tactic, IMO, but the lines of battle have clearly been drawn.
Yeah this is like the authoritarians who claim that if Snowden really feared for his safety as a whistleblower, then he would be happy to be renditioned to a secret blacksite dungeon for punishment by the TLAs he has offended. Does not compute...