Really? Getting a bunch of developers locked into a platform and then raising prices sometimes 100 times more than it was? What would they have to do for it to be a scandal for you?

If Apple suddenly came out and said "right, from today on we want 75% of your sales instead of 30%" would you have the same reaction?

Terrible comparison. A dick move maybe but not a scandal.

Google App Engine:

* Not the dominant hosting platform. Not even close to being the dominant.

* Maybe a million dollar product. Certainly not a billion dollar product.

* In beta/preview until just now with developers knowing pricing had not been set or could be changed.

* Optimizing your application properly can negate most if not all of the pricing increase.

* Open source alternative framework available if you want to keep using the same APIs.

Apple App Store:

* Dominant market position with only the Android Market coming close.

* Billion dollar product.

* Existed as fully launched for several years.

* Set percentage. You can't change it other then making your app free.

* No open source alternative that supports the same APIs.

Beta/preview products can and will change.