Do you know how absolutely ridiculous this statement is? In most cases updating an app for compatibility with iOS 7 will not require a monumental amount of effort. I am pretty sure apple will not even push updates until the OS is GM anyway, so for all anyone knows a lot of apps are ready to go right now.
Also I don't presume to know what type of job it is that you have, but I would hazard to guess that you don't live and breath it as you are suggesting the developers do! (Everyone has free time in their life to do things other than work.) -- The fact that you had time to post this insane comment is only proof of that, unless of course your job is a full-time forum troll.
Ease up, judging from past beta cycles apps will be updated, and ready to go on launch day, and if they are not then any negative rating an app gets will be earned.
As far as non devs installing the beta, well to each their own I say. I read the forums every day for the same reason most people watch NASCAR

I want to see a wreck
I am rooting for the missed appointments, the dead batteries in the middle of an important call, and the loss of cherished photos of the people silly enough to use a beta as a daily driver. Does that make me a bad person, perhaps, but I know I am not alone.