No, what Tony really hated was the Soldier's training. It was strict, without much leeway for interpretation and it needed to be. He was the most dangerous assassin on the planet and basically superhuman besides. They didn't need that running amok blindly or being twisted by his handlers.

They could almost hear Fury frowning beyond the radio. They didn't intend to keep Loki as a prisoner of war and with Thor not around, well, accidents happen. "Leave it," Fury said finally. "Get what information you can and end him. As long as he's alive he's a liability."

Fury hated to lose that source of information but there was always a way to convey information and if he knew, he needed to go.