[quote=@SleepingSilence]
[@Andreyich] I don't know if you're joking or not, but Notch aside. He didn't harm anyone making minecraft or selling it to Microsoft. So yeah...it is an example.

As is everyone self employed person making a profit. (as long as they're on the up and up.) I can't believe someone though the people that found the cure for polio was somehow maliciously stomping on poor people when he created and sold the cure. I can't get into that frame or mindset. :/
[/quote]
Not really joking, I just picked that as an exaggerated example to say that in even the most mundane of fields you can succeed without others suffering as a result.