In would say that 5W30 was universal oil throughout 2000's and now it's being replaced by 5W20, at least in USA.
I don't have a problem with it, as most used 5W30 oils are really 10W20 oils at the 2000-3000 miles mark.
I still believe, 1% of drivers cam benefit from 10W30 and higher viscosity, even if 5W30 or 5W20 are specified.