"I think you should try to think how you would cope at the B1 guy who has six or seven aircraft to ramp check, your help ranges from the guy just out of his appreniceship who is smart but inexperienced to the semi-skilled mechanic. It is the early hours of the morning when you circadian rythem is at its low, add to this its pi**ing with rain. The management are on your back needing all your aircraft serviceable, you are chasing spare parts and you are unable to get around the airport because you and three other B1 guys have one van between you.
Now do you get the line maintenance picture ?"
A &C - I hope I would manage to check vital aspects of the work before releasing the aircraft. Mistakes can be made, of course, but although you rightly observe it is not an excuse, it does read like it is.
If your description is the reality of how things are at BA, it is manifestly unsafe. It should be reported to the CAA and AAIB. If no-one wants to risk their jobs spilling the beans, get in touch with Channel 4's Dispatches programme...