Nothing like this is "inevitable". Lots of countries have favorable geographies for solar power, including your aforementioned Saudi Arabia, but they're not so

Nothing like this is "inevitable". Lots of countries have favorable geographies for solar power, including your aforementioned Saudi Arabia, but they're not solar energy superpowers because they're too dysfunctional to take advantage of their geography. Mexico also has oceans on both sides, and is farther south; why can't they be a superpower like this? Dysfunction.