you stay classy, massofmen.
Shrek 4 comes out in May of next year. The cast just recorded some material for the eventual promotion around the release. I would bet that the studio keeps the show open until at least the end of that summer. For them, the show keeps promoting the brand and even if the losses were $200k per week for a little while, that's not so much in studio terms when you think of the brand awareness gains.
If the audience could do better, they'd be up here on stage and I'd be out there watching them. - Ethel Merman