That much is true, alternatives exist... lots of them, and that is why we will succeed long term. The thesis of the book so far, (i'm only 10 chapters in) is that Bitcoin was originally intended to be peer to peer digital cash and not a store of value. His take on maximalism is spot on and it really relates to potentially why the market has decided on small blocks as opposed to big blocks. $513 is a cheap hedge on still being a whole coiner ;)