The purpose of their comment is to correct your statement that:
> perhaps they should at least make a carve out for one of the single most important extensions that exists.
uBOL is not an important extension on Firefox.
It's the same author, essentially same project. Mozilla shouldn't be wasting the maintainer's time and resources with this stuff, and that is the point of my comment. Their comment was nothing but failed pedantry and added nothing if that was its purpose.
>uBOL is not an important extension on Firefox.
Perhaps you should read some earlier comments then you wouldn't say such things?
Hints: Firefox mobile; range of privileges required.