"Which only goes to assert that ultimately, he had a choice"

Barbossa shrugs, waving the point away.

"Don't blame me for something that a man who died at Isla de Muerta did, Mister Gibbs. Death puts a big damper on vengeance, usually."

He smiles, an amused, very much sinister slice of a grin.

"And, to continue quoting Jack himself, it's the trustworthy ones you have to watch out for. Never know when one of them will go and do something stupid."

Which is a not-so-nice way of saying 'I'll be keeping an eye on you, mister Gibbs'.