Yes - exactly.
Seriously though - if 'banging' was to be heard from below the rear galley floor somewhere over the Atlantic, or N.Canada, perhaps a decision to divert would have had to result. Thus requiring the a/c to get off the NAT tracks safely and land in some god-foresaken strip of concrete in the grips of deep winter.
Every landing carries risk, and an extra landing - especially in difficult conditions - means ADDED UNNECESSARY RISK.
Ergo - sack the bugger.