At the moment, yes
Again, how do you know? You don't what signal it is using, you don't know the source of elevation. How can you possibly make assertions about accuracy?
Exactly the same argument can be used for those people using LNAV +V, or 'other'. You don't actually know the altitude source, and you cannot determine the accuracy of this source. Yet for some reason people seem to think that flying IFR to CAT I minima, when no provision for this minima has been provided, is perfectly acceptable.