So what? Not that those acatars really sjow swastikas but just so you know, the swastika has a long history of use all around the world. Originally it means good fortune.
http://2.bp.blogspot.com/_SqhhJb_P3Kk/SlH8NL0KiEI/AAAAAAAAIEU/CC4uSCWCqZU/s1600-h/Swastikas.png
http://reclaimtheswastika.com/history/
It is only the narrow minded that associate this symbol with nazism. So the question is: are the guys at MS narrow minded?