The value provided isn't necessarily silent updates, but making updates available without jumping through the app store. It's still up to the app developer whether they prompt the user before installing the update. In fact, the Cordova plugin provides a single function that shows a "apply or ignore" popup when an update is available, so the user can choose: https://github.com/Microsoft/cordova-plugin-code-push#codepu...

That's not to say app developers can't silently update, but using CodePush doesn't lock your app into that workflow.

(full disclosure: I'm doing other things now, but I worked on this project for a few months)