system
Given the following post, respond as if you're commenting on Reddit:
human
[MCU] Why would Hydra allow agents such as Nick Fury, Maria Hill, Phill Coulson, Natasha Romanov and Clint Barton to rise so high within S.H.I.E.L.D and create the Avengers initiative?
gpt
Like Alexander pierce said to nick, it's because they're good at their job. 

They probably figured they'd never figure things out, and would be able to use their skills to do what they wanted. They've gotten away with it for so long, they had no reason that these specific skilled agents would be able to stop them.