This is because most of the public don't care about those rights either, and are entirely happy with surveillance. You've got nothing to hide right? If you don't the government to know what you're looking at its probably because you're a paedo, or maybe a terrorist. Maybe even both.
Its not the government who need to be convinced on this, it's the general public, and currently there's not really anyone out there explaining how you can't have a backdoor that only the government and good guys will be able to use.