Yeah, those spreads are kinda useless. But then there's a few different kinds of two-page spreads.
There are the two-page spreads with big images, mainly from Muppets Most Wanted (and a few from The Muppets), and a little box of text. It's a shame there's no such spreads from the other movies.
And then there's those useless ones mentioned above, with "Eat Drums!" and such.
And then there's a few spreads that involve characters. Most of them have a typical character page, and then there's a page next to it, usually with one fairly small image and a small text box, with most of the page being a blank-colored background. It's a shame they didn't just make the other page like the average character page, with more info (though some of those characters aren't quite major enough for that). One exception that's great is the spread for Constantine, where the second page is a big wanted poster for him.
Craig Shemin mentioned certain spreads that occur just because they had to take a character out. But would this mean they also took another character out, just because that character was on a page right next to a character who had to not have a page?
Those "Eat Drums" and "Time's Fun" pages should have been taken out in favor of pages for At the Dance, Bear on Patrol, The Swedish Chef's dishes, and/or Muppet News (that might be a little redundant with the Newsman having a page, but it's just as redundant as having an Electric Mayhem page in addition to giving each member their own page, or a Muppet Labs page when Bunsen and Beaker already have pages).