Gotti just wasn't the sharpest tool in the shed either, so of course, he was surrounded with people even dumber than himself.
A main success factor of any organization is having the right guys doing the right jobs.
Angelo Ruggiero was a gossiping, backstabbing, backdoor dealing, low intelligent fuck-up.
And we can all see on the internet how retarded Gravano is in real-time.

A bunch of pitbulls that killed their owner, before their owner could realize they should be put down.