Truth is every last company on earth wants to monopolize and lock its customers. There's a reason why king of pretend-openness Google doesn't support carddav and caldav
Does it really? I think it just shows that you didn't know about something they offer, and decided to attribute that to them being malicious.
I prefer reading on my Kindle to paper books but I also love browsing and supporting book stores and the people who work there. I've always wished that I could browse a bookstore, take a stack of books to the front and have them scan a QR code (or something like that) on my ereader and sell me digital copies of books rather than the paper copies.