I'm going to go with the stereotypical response that he did learn something new and different every couple of years as Microsoft kept changing directions with t

I'm going to go with the stereotypical response that he did learn something new and different every couple of years as Microsoft kept changing directions with their development stack. To be fair, Microsoft's web stack has not had the dramatic changes in direction that their native stack has had over this time period. Still, the response from his peers when he tried to bring in ideas from Rails is telling, the ecosystem he chose isn't just a nice IDE and language.