Mercurius
Legend
I think it does apply to other settings, perhaps even moreso because people might be less familiar with them, so there isn't even that. I'm not suggesting WOtC won't publish FR material, only the the format and contents aren't going to be driven by notions like "update the timeline". WIldemount is a pretty generic fantasy setting too, but it has that other little thing going for it. The MtG settings have that little thing too (less of it maybe). I just think that some established players underestimate how uninterested newer player would be in some of the things they agitate for.
I do think that new books will need to have something going for them that will appeal to players who don't have any ingrained loyalty to, or enthusiasm for, established settings.
Yes, I agree - especially so with your last sentence. So often we grognards and quasi-grognards project our preference and nostalgia onto others. I have a soft spot in my heart for Greyhawk, for instance, but I just don't see it having much contemporary widespread appeal.