[belorn]

The concept is less surprising when degressive proportionality (https://en.wikipedia.org/wiki/Degressive_proportionality) happens to be fairly common.

Election system that give weight to geography is generally done so to encourage cooperation where people otherwise would prefer going alone. Both EU and US have large historical reasons to unify low population regions with a lot of natural resources with high population regions. Same is true in Germany, Iceland, Sweden and so on, all with varied degrees of giving weight to geography.