Bullshit.
The social contract for content on the web is that it's made available on the terms the creator chooses.
Also:
Given M$'s incredibly consistent position on the use of their own content, this is incredible hypocrisy.
His statement comes across as "I am very intelligent and therefore don't need to check if this will cause us problems" techbro idiocy, and "no I didn't run this statement past anyone why do you ask?" To me