Earlier quoted context omitted.
You're being downvoted because people think the answer to your question is so obvious that you must be trolling. However, I'll assume you're being sincere. The money is the least important aspect of getting in to YC. What matters is the advice they provide and the community/network aspects. These things are so valuable that they are a huge state change for most startups.
This is not obvious to me at all. I admit I have difficulty conceiving of advice so compelling I'd travel to America to receive it. Fair enough I guess. People pay what they think it is worth. That's capitalism; no argument from me. I am not trolling. Carry on.
In Silicon Valley, you see something similar in companies - there is this massive meritocracy and cross pollination that takes place. Companies get successful. Employees vest out and go form new companies. Then they reach back into their (metaphorical) Rolodex and pull colleagues from years passed who went through the most intense interview ever - working side-by-side for multiple years. It's why I recommend anyone from outside the valley interested in technology, particularly early in their career, to take any job they can get with a good valley company, and pay absolutely no attention to their salary. None. Once you are established, the money will follow.
But it's all about getting in the door, taking that first step. YC is one of those first steps for startup founders.