With BAA mortgaged up to its eyeballs in £billions of debt courtesy of Ferovial, perhaps they didn't have the cash to finish T5?
That's why the lifts don't work (a case of "elevatory non-conformity" as WW might describe it) - they couldn't afford the electricity to test them, or anything else.
Security swipe cards not working? That'll be "workforce processing misalignment"...
