Why isn't the Xfree86 license GNU compatible? All it says is that you need to say ROS was made using fooware, if you use fooware to make something else. Or does that violate the GNU's strict, enslaving terms on those matters?

The ROS people don't violate patents. Thus we are OK.

Floyd wrote:i personally hate how MS just "buckshots" folders and files around everywhere.

Take a look at /System/Library.