I view this as a positive, relatively speaking. If you decline an interview, it's likely you have personal reasons to decline even considering the position. You haven't met with ownership, you don't have a real idea of the inner workings of the company, and you're declining to even learn and consider if the position is right for you. There's something outside the company that is preventing you from meeting with them at all. The reasons for this happening are as long as my arm: family, current positional happiness, general quality of life, etc. If you decline after an interview, that generally means there's something about the company that's wrong and you want no part of it. Who here hasn't taken an interview mostly out of curiosity, only to walk away and say "nopenopenope"? I've done it several times.