This is probably best understood as an advanced adaptation to the particular difficulties of deploying into a walled garden. That's certainly how the author fr

This is probably best understood as an advanced adaptation to the particular difficulties of deploying into a walled garden. That's certainly how the author frames it. The similarity with web comes because of shared restrictions (untrusted client application, deep server side data, document based layout). The differences come from the proprietaryness of app ecosystems-- the taint of unfreedom propagating from the platform into an app-specific DSL.