He really couldn't understand why he didn't have the opportunity to create his own software for this computer and operating system that he already paid for. That was 1990. This operating system provided several full-featured compilers and all the documentation he needed to enable him to program anything for his computer. It was then that he realized how limiting Windows had been for him all that previous time and how it stifled his personal desire to create. He realized how Linux couldn't even be compared to that other operating system.
People know about icebergs.
They know that unless they're swimming underwater in that sea, they're seeing just a little bit of the iceberg. That's similar to how it is with Linux companies and the Open Source model. Linux companies won't ever be as rich as traditional software companies because they offer much more than proprietary software does, and nearly for free. But this doesn't mean we can't all make a living with Open Source software and live well. These people will buy a Linux pack, then their friends will purchase a pack, as will more and more enterprises who will also require services and support.