There's times when I want to know the inside-baseball angle of a film, that can be really interesting, but those times are rare for me (and most people, I'd wager).

When critics diverge so far from the role of answering the question "what's a movie I would enjoy" then no, they're not doing their job. I'm not sure exactly what job they're doing now, but I'd say by and large they aren't doing anything I'm interested in.

That's like having a tourist blog that only talks about places that other tourist blogs like to blog about but not places people want to visit! Not useful for the (assumed) intended audience.