Even if someone does have the guts to develop software that doesn't interoperate with Microsoft if it becomes popular among other platforms and is open, Microsoft will get interested and... yep, you said it - embrace and extend or at the very least borrow and break.
Interoperability with other systems is fair given the context of Doug's answer:
"Interoperability is a key competitive strength. We clearly accept that customers will choose multiple operating systems depending on how they need to solve their business problems."
He is not talking about interoperability strictly between MS components, but among all components.
Agreed, as long as you own a legal copy of the original work. I would presume that some users do not.
Tony Shepps Van Winkle?
... yep, you said it - embrace and extend or at the very least borrow and break.
Even if someone does have the guts to develop software that doesn't interoperate with Microsoft if it becomes popular among other platforms and is open, Microsoft will get interested and
Interoperability with other systems is fair given the context of Doug's answer:
"Interoperability is a key competitive strength. We clearly accept that customers will choose multiple operating systems depending on how they need to solve their business problems."
He is not talking about interoperability strictly between MS components, but among all components.