Xbox One wireless controller adapter now supports Windows 7, 8.1

Rejoice PC Gamers. According to sources at  Eurogamer.net the Xbox One USB controller adapter will now work on Window 7 and 8.1 as well as Windows 10. So if you were thinking of doing the free upgrade to use one you no longer have to. Do you think this is a good move on Microsoft's part?
Here is a link to the article in question