Yes, because he didn't bother to explain them. He could have been the one to explain the need for the magic 50% - just think how that could have made their meeting productive and useful - but he didn't. It was only through her contact that this was discovered. Basically, Steve Jobs was being an asshole.
In other words, Steve's behavior was at least in part a performance intended to to demonstrate that he was holding up his end of the deal he had made with the developers.
[Of course, the manner he did it in was obviously still pretty obnoxious—he could easily have been much more gracious while still insisting on that number. I'm just saying there did seem to be a concrete reason underlying his actions, it wasn't just him being a jerk... ^^; ]
Problem is, that's exactly what Apple needed to deal with the music industry and exactly what it needed to deal with the wireless industry and exactly what it needs now to deal with the cable industry.
Except... he's not here to fight the good fight against the cable industry, and based on the rumors I've heard Apple is having troubles nailing down good terms with the content providers.