Most people around HN don't seem to have a problem with using a non-free and closed source operating system. Ultimately, it's all about trusting a company. People who use OSX trust Apple, without asking to see the source code of any part of it. Likewise, in the case of cloud users, it will be trusting another company such as Dropbox or Google. For private data, you can encrypt. For critical data, you can keep local copies.
