I don't think they're doing anything that's particularly protectionist.
In Boeing's case it's a matter of levelling the playing field (tariffs to counteract subsidies).
In Microsoft's case, I don't think there's any regional interests at play here. The most popular alternative browsers to Internet Explorer are Chrome, Firefox, and Safari - and these are all developed by US companies.
Blog Make a Frequency Plan Tom Burke 17 comments When designing a printed circuit board, you should develop a frequency plan, something that can be easily overlooked. A frequency plan should be one of your first steps ...