They are the biggest software company, so when they decided they want to embrace and extend open source, it's not surprising the quantity of released code is hi

They are the biggest software company, so when they decided they want to embrace and extend open source, it's not surprising the quantity of released code is higher than of smaller companies. The argument here is different: we don't really believe MS changed much from the time they called Linux and GPL "cancer" and used all possible means, some of them quite grey, to completely annihilate all significant competition.