Traveling across the world ain't cheap. Maybe to you but not to the majority of people. When you add on the fact that your have to make multiple trips to meet people, as it's unlikely that you will meet your future spouse on the first trip you make to another area, most people will only be dating within their local area just as an economic necessity

The crisis, according to male psychologue, is that women end up ok being single and don't care about finding partner. Also, women being more competitive for existing males by having sex faster is some kind of problem.

Which is, according to him, something entirely different then dudes being single in Sillicon Valley where is surplus of males. Because, again, according to him, these dudes can find one night stands and care more about those anyway and thus everything is cool there.