Does Mozilla Have A Case In Windows 10 Browser Complaint?

Users upgrading to Windows 10 are finding that post upgrade their default applications for certain processes have been changed to Windows built-in apps. Notably the Edge web browser.
Now there is a case to answer that Edge isn't quite mature enough to force upon the whole Windows 10 world - there are some missing bits of functionality that require using the supplied version of Internet Explorer.
Mozilla, through its CEO Chris Beard, has been vociferous about the decision to set Edge as the default browser in Windows because it ignores a user's expressed choice. The move is being compared to the previous anticompetitive behaviour that earned Microsoft serious sanction, back in the day.
Well, yes, no and maybe.
The world is a different place right now. Microsoft isn't battling Mozilla for the best browser, it's battling Apple and Google for a the overall desktop user experience.
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