The Linux philosophy is "laugh in the face of danger". Oops. Wrong one. "Do it yourself". That's it.
Linus TorvaldsSoftware patents, in particular, are very ripe for abuse. The whole system encourages big corporations getting thousands and thousands of patents. Individuals almost never get them.
Linus TorvaldsI think that freely available software can not only keep up with the evolution of commercial software, but often exceed what you can do commercially.
Linus Torvalds