Why did everyone look so old only a few decades ago?

So many mustaches.

Also I'm surprised to see Americans playing rugby. Was it more common in some specific cultural or social demographic?

It's a niche sport here but growing. The growth started in universities during the 70's. Women's rugby is actually the fastest growing sport in colleges today.

But as a very dandy Englishman once told me "watching you Americans play rugby is rather like watching a dog walk on hishind legs. He doesn't do it well but you're impressed that he can do it at all"

> Women's rugby is actually the fastest growing sport in colleges today.

Unexpected!

In Argentina it's usually a men's sport and mostly upper class.

I'm actually surprised it isn't more popular in the US, IMHO it's a much better alternative to American Football. Similar but grittier and more fluid.

Go Beach!