Earlier quoted context omitted.
It's illogical to make value judgements about cultures, there is no objective way to do it. What makes one culture "better" than another? Survival? Virality? Honor? Piousness? Lawfulness? Every culture values these things differently. Calling it politically correct shows your own failing to comprehend something outside of your own cultural frame of reference. Notably I could make the same point about morality as the…
What you're gesturing at is that it's illogical to make value judgements, period, without a standard that your object of interest is being judged against. This fact, which is blatantly obvious once pointed out, is obscured by the shortcomings of our language. Usually the standard is implicit, but obvious from context, for instance if we were talking about racing, we could say that a Mclaren is better than a Volkwagen…
I find it instructive to look for those scales directly--e.g. rates of violent crime, GDP, life expectancy, etc. This also makes it more natural to recognize specific problems with such linear reductions.