All of this is true, except Of Muppets and Men: The Making of the Muppet Show has been out of print and hasn't sold an authorized copy in many moons. No one's losing any more money than if I placed my copy up on eBay with a $300 reserve right now (and I'd get it too... actually, I could get a whole **** of a lot more given that as it's signed by Brian Henson, Dave Goelz, Bill Barretta, Kevin Clash, Jerry Nelson and Steve Whitmire). If the book were still on shelves and readily available in stores, then such a web project would definitely be hurting sales for Finch and JHC. Given that it's not -- and hasn't been for a long time -- I hardly think JHC would take notice, and if they did, they wouldn't take anyone to court right away. They'd ask that the site be taken down, to which the webmaster I'm sure would gladly comply... unless he's an idiot. In which case, yes, he'd prolly be dragged into court.
****, JHC might even take notice of the demand for the book and reissue it themselves. Then folks could stop paying obscene amounts of money for the book on the auction block and add it to their collection while paying the royalties ot the author. Now wouldn't that be cool?