Spain is as rich as Japan on GDP PPP, richer than Israel and New Zealand.

Readership issues in countries like the USA started way before mass adoption of AI, so also it's not related to AI effects.

I don't think "less rich population" is an accurate description of Spain. It's a high-income developed country. Perhaps you assumed the article was about Spanish speakers worldwide rather than Spain specifically?

Are you one of those Americans that think that Spain is in Latin-America?