### Comment:
You're the one claiming there are other, better ideas out there. And yet you can't name any?

### REPLY:
Found the constructivist. 
  
 https://math.stackexchange.com/questions/1452844/what-are-some-things-we-can-prove-they-must-exist-but-have-no-idea-what-they-ar 
  
 But fine. One of any number of pharma companies is bound to be better for society than Uber. I can't say which  because I can't see the future, but I'm confident there's at least one.

### END.