Ways to convince people to take online privacy seriously - common objections debunked
(blog.rebeltechalliance.org)
Why would you buy such a device, or continue using it now that you know better?
Money. The economy is tight right now, and many people don't have the money to change devices because of what, sadly, amounts to a single flaw. If it does 99% of what you need/want, many people are willing to trade off what they see as the 1% they don't like.
I'm not disagreeing with you, I'm just making sure you and others understand that this isn't a question without a good answer. I would be happier with devices that are more under my control, but money is the main limiting factor.