This is indeed the problem with anti-trust. Even lower prices are regarded as anti-competitive.
GM isn't just being hit by the current troubles. There's decades of bad management there too.
Taking note of the detail behind the stimulus plans: for example, it's taking an age to actually spend the money by which time we won't need to spend it, will we?
Sadly, troughing public sector employees is not a problem limited to the Westminster Parliament.