It's a bit paradoxical that people on HN believe anything is possible in technology - we're going to live on Mars! - but advocate hopelessness in other matters.

It's just like technology: If you make it happen, it will happen. If you don't, it won't. Some people are working hard, developing the technology, while many sit around saying it's impossible, etc.

Opportunity knocks, right now. There's no guarantee of success. Let's go!