So back to the original subject.
Having used nvg in the mob, I wouldn't be without them overland or operating at low level in the coastal environment, but as a rig runner they have limited utility, apart from the dark bits inbetween landings, but these are generally flown IFR anyway.
We use either an instrument approach or a visual gate approach to get the helideck at night. Both are highly procedural and tightly controlled and monitored. As north sea crews can lack night continuity, especially as night flying starts the risks have been largely mitigated by this procedural approach.
There is now no space for cowboys, mishandling etc in the modern north sea. Not saying it won't happen but much less likely.
It's like saying you'll never hit anything if low flying on goggles. The risks are reduced but not eradicated.
NVGs would be nice but mostly for interest rather than a great leap forward in safety.