(a) He acts for his self interest - bake bread, make money, to support himself and his family.  Its called the invisible hand.
(b) I take the baker any time over any government bureaucrat.

2. When Bill Gates (or Microsoft) programs a software, he/she doesn't know you or me and doesn't do for our good.  
(a) He did it to have fame, or money, or success, or all of the above.  Or maybe, he was a geek, and couldn't get a date, and now he can.  The end result was a product or service.

(b) I take Bill Gates any time over any government bureaucrat.  Or if you are an Apple fan, I go with Steve Jobs.

3. The communists had "lofty and noble" goals.  See what it brought too.  Ask Mao, ask Castro, ask Lenin, ask Stalin, ask Pol Pot, ask, ask, ask.

4.  I let Schroeder and his government programs solve the Germany's social and economic problems.  That of course assumes that the government knows better than the individual.  He believes in it and I salute him.  I want more power and more control under Herr Schroeder.  (smile)