The problem is that if you have two factions and they're both gunning for each other, once you start admitting anything it becomes a slippery slope to some kind of prosecution, investigation, and so forth. That's my understanding of this. I don't have absolute proof for what I'm saying; this is just my interpretation.
Evidence of meeting #39 for Subcommittee on International Human Rights in the 41st Parliament, 2nd Session. (The original version is on Parliament’s site, as are the minutes.) The winning word was organs.
A video is available from Parliament.