I think this is what they meant by rediscovering or reinventing new things over and over. Yes, display:flex is newer than XUL and different in some ways. But 20

I think this is what they meant by rediscovering or reinventing new things over and over. Yes, display:flex is newer than XUL and different in some ways. But 20 years on it seems disappointing that display:flex is perceived as such an advancement by those who have forgotten or never knew the past.