My response, "yep, that's what most people think until they dig a little deeper. I recommend [insert your favorite resource].]

If they are not opened-minded then I simply agree with them: "yeah, it's probably not for you, but for many people it is critical..."

For the most part though, I don't even talk about it. Bitcoin has already won the "Store of Value" throne in my mind and I really don't care what others think. Bitcoin Don't care either