Here is a decent introduction to the key issues with software patents, delivered by Mark Webbink. Below you'll find some past coverage along with videos that make various points.
It seems like he was eager to distinguish himself from the "elders" of FSF [...] For anything "revolutionary" to happen in the sciences one must accept the risk of living in poverty like Tesla (the person, not the right-wing fanatics) and Torvalds isn't too old to "cause a stir"