This is not as easy as YOU imagine. It's at the level of deciding: "Hey, silicon is just like carbon so let's replace carbon in everything: living things, etc.

This is not as easy as YOU imagine. It's at the level of deciding: "Hey, silicon is just like carbon so let's replace carbon in everything: living things, etc. with silicon!" There are myriad of details that can't be ignored but always get brushed aside in ideological fervor and the network of interconnected things that gets disrupted will "fight back" because it's already in the lowest energy state - it's already optimal and the new big thing is not and will not be.