This is a seriously BS argument to be made for Mozilla which developed its own programming language to build the browser. Even for anyone else who is developing

This is a seriously BS argument to be made for Mozilla which developed its own programming language to build the browser. Even for anyone else who is developing a serious enough business, owning your own traffic metric data is important to build this in-house. Today's open-source tech and public clouds make this really easy - it's 2-4 people full-time job to run a very large scale traffic analysis system that can rival whatever functionality you can get from GA (without being fully self-serve and multi-tenant, which is a ton of work you can avoid).