If all you can do is buy lotto tickets, you are better off buying insane payoff opportunities than trying to pick which lotto tickets will have a higher frequency of payoff, but a much lower yield.
> A futuristic new kitchen appliance that is being called the "Keurig for food" could forever change home cooking. Called Tovala, the countertop machine is a broiler, steamer, oven, microwave, and toaster in one ... The price of the machine will eventually go as high as $279.
http://www.businessinsider.com/tovala-will-replace-every-coo...
> The June Intelligent Oven can detect what you’ve just popped into the oven, and will heat up or cool down based on how you’ve indicated you want it cooked. It’s connected to your phone, so it can tell you when your food is ready. This countertop convenience comes at a steep price of $1,495 per oven.
http://www.sfchronicle.com/business/article/June-Intelligent...
As to why everyone is chasing unicorns, one of my friends who's actively trying to get funding for his hardware startup sums it this way: VC's would make more from 1 unicorn than 50 other mildly successful businesses, and the other 50 businesses would probably require just as much work as the unicorn.
Its a really fucked up calculus to be sure. I'm not sure what the solution is though. How do we encourage VC's to invest in more meaningful startups?