Because it&#x27;s demonstrating the binding of WebGL to React using this library: <a href="https:&#x2F;&#x2F;github.com&#x2F;toxicFork&#x2F;react-three-renderer&#x2F;" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;toxicFork&#x2F;react-three-renderer&#x2F;</a>