Maybe I am dense, but clearly the writers want us to feel like Charlie is doing something bad. I am sure is their intent. But I find nothing wrong with him. He is just doing his job - bending a few rules but thats it.

EVERY OTHER CHARACTER - is brain dead or stupid. Like his wife think her husband needs to tell her about his top secret job in every scene??? And the CIA is running some half assed operation spying on the head of MI6? Just chilling with his wife in vans outside????