Calling bitcoin "digital gold" is such an undervaluation for bitcoin. I don't think people realize there will come a time, when everyone in the world will rely on bitcoin, and it will be impossible to make more of.
Time factor + Price variation + High demand (TPH) = Impossible to make more of it.
Sometimes it looks weird seeing people undervaluing bitcoin, though it's just their knowledge and I wouldn't take it as an offense till they get to know the importance of it maybe when it's no longer possible to get more of it.