Why Hasn’t Google Released a ‘Bootstrap’ for Material Design?

Polymer Starter Kit https://news.ycombinator.com/item?id=9630780

A starting point for building web applications with Polymer 1.0 Included out of the box:

Polymer, Paper and Iron elements Material Design layout Routing with Page.js Unit testing with Web Component Tester Offline-first setup through Service Worker elements End-to-end Build Tooling (including Vulcanize)

Much thanks to Rob Dodson, Addy Osmani and at al the Polymer Team.