I'm astonished at many of these comments. This was not some "random question" like "do you support puppy-kicking". It concerned a repeated-stated policy direction of a now-elected high official. The Intercept is not some unknown blogger; it's a billion-dollar news organization that's won major awards.
Calling it "hypothetical" is not just wrong, because of the stated-policy angle making it not remotely hypothetical, but pointless - if somebody calls and asks if you support puppy-kicking, the "hypothetical" aspect doesn't mean that puppy-kicking is not illegal, making the answer obvious. The "Muslim Registry" is unquestionably unconstitutional, the way collecting data on all phone calls was obviously unconstitutional when Clapper lied to Congress about it - the court decision later was routine, as NSA lawyers certainly could have told them when they were developing it - the whole thing depended on secrecy from court examination, which is why even the congressional committee members were surprised to hear about it.
Before the Snowden revelations (by The Intercept, partly) the NSA metadata programs would have been called "hypothetical", so there really is a need to ask about these proposed programs before they are just enacted in secret.