What I'm trying to understand and defend against a lot of the mass skeptics is this exact question - Would you use bitcoin as a currency if it was possible?
I believe, irrespective of the value, anybody that held bitcoin before 2017 would be in a place to spend it.
I have been using Bitcoin to pay for my bills ever since I have a chance to own it so, definitely I will pay Bitcoin for my cup of coffee regardless of the availability of lightning network. I am one of the believer that Bitcoin should be used and spent and not hoard it.