I think this is more of an indicator that Microsoft finally has the business sense to realize that GPL'ed software isn't just some fad for tree-hugging hippies.

I think this is more of an indicator that Microsoft finally has the business sense to realize that GPL'ed software isn't just some fad for tree-hugging hippies. That also means that they may be starting to realize that they can't control the market just based on the fact that Windows is on 90% of all desktops.