Sad but largely true.

On the other hand, it is easier to install Chrome on your machine, if you need a Chrome-locked webapp, than to install macOS on the same machine. In fact, the only platform on which you cannot install a Chromium-based Chrome is iOS, and that's a political choice by Apple.

edit Rephrased entirely.

Blocking all third party code (and most first party code) from creating executable pages is a pretty strong security decision, but yes it has political ramifications.