Is there some way to build a

  cargo vendor --aggressive

which might prune all the code from your deps that is "dead" to your crate? Would it make the "review your deps" problem more tractable? This is a tangent to the article, but related in that ultimately we're responsible for our choice of dependencies and all that entails. It seems like there might be room for tooling to help us better take responsibility for what actually gets compiled into our crates.