There's also a lot of Greater Fool Theory going on here. For me, it's a student loan moonshot - I'll hopefully be able to use it to make a significant dent in my slowly accruing student loans. Also, I find the /r/ethtrader daily discussion threads very entertaining. It's like a nerdy version of horoscopes.
I told my wife that as soon as ETH hits $1k per I'm cashing out and buying a mansion. She laughed.
It will happen.
I think I've mentioned before, my favorite statistics professor decorated his office in fortune telling memorabilia to remind people he consulted with not to trust him too much. I wish more technical people were like him. Those required communications classes drill into you that you need to work on establishing your credibility, when we usually have credibility be default and need to make sure no one is more certain of our work than we are ourselves.