You're really delving into deep philosophical questions around Sections 31's existence here. And Collins' argument - truthful or not - can not be entirely dismissed. Yes, there may be a need for a shadowy intelligence outfit to fight for Federation interests but that doesn't mean Section 31 should have carte blanche to do as it wishes.
And Musgrave in an illicit affair? Sounds juicy.
And Musgrave in an illicit affair? Sounds juicy.