It would be nice if the article mentioned how he could afford all that as a 22-year-old.

I do agree with him that you need to travel as much as you can when you’re young, though. It’s harder because you don’t have a lot of money (usually), but you learn a lot about the world, other people, and yourself when you travel which is beneficial to have earlier in life. Also, there’s no guarantee that you will have a chance later.