Hm... It's not like he set the world on fire. He just withdrew his services

Well, depending on your view of the Trolley Problem and the like, you might consider them equivalent. But . .

Or what See said

And in that I didn't even scratch the surface. For example, another thing people seem to forget is Project Xylophone. When a great scientific mind (Dr. Robert Stadler) chose freely to serve and support the government in Atlas Shrugged, the government used his discoveries to make a weapon that was useful only to kill its own citizens. That is the government Galt is supposed to work with to save the country? What weapon would they make of his motor?