Microsoft certainly tries it’s best to keep you locked into their ecosystem by making it inconvenient but not impossible to leave though that’s not the real reason, it’s security. Businesses and especially governments are scared of nation state hackers contributing malicious code to open source products and falsely assume it’s safer to use closed source software because those incidents aren’t public. There’s so much great software out there I’d love to use and the first question I’m asked when I bring it up is can you prove China hasn’t contributed code?
There’s no oversight for any of these agencies and they have the means and incentive to backdoor cryptography, what would stop them from doing this morality? There’s no possible way that they both aren’t compromised and all we’re seeing now is them firing pot shots at each other trying to convince the reader to join their honeypot because its sweeter.