The move does seem rather troubling, considering the history of Microsoft. Linux seems like it's a little too big for "extinguish," and th GPLv2 should provide

The move does seem rather troubling, considering the history of Microsoft. Linux seems like it's a little too big for "extinguish," and th GPLv2 should provide some defense against nefarious "extend"ing... But then again, I wonder how many now-defunct open standards and projects thought the same thing.