If this was the root problem, it isn't that hard a problem to solve, and a lot of people have the motivation to solve it and gather the justified social plaudit

If this was the root problem, it isn't that hard a problem to solve, and a lot of people have the motivation to solve it and gather the justified social plaudits for solving the problem. Is it seriously the case that nobody has collected a more diverse face set despite it being public knowledge for years that this is a problem? It doesn't take that long.