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.
Microsoft already fired about 5,000-6,000 workers this year by our estimates; that's not counting resignations compelled through pressure (i.e. pushed, did not jump) and contractors
Maybe this is very innocent, but they seem to have taken a solid, stable program from a high-profile Frenchman and looked for ways to marry it with GitHub, i.e. Microsoft/NSA