I've done some WP7 work, and was quite impressed with the platform; I loved seeing the influence of capabilities-based security in the APIs. But, WP7 demands a

I've done some WP7 work, and was quite impressed with the platform; I loved seeing the influence of capabilities-based security in the APIs. But, WP7 demands an SL/XNA and .NET background. It seems like reaching non-Microsoft developers was/is a tall order whereas iOS can tolerate C,C++ or PhoneGap solutions. Do you feel that Microsoft had some success in bringing people into the tent?