[olefoo]

To take an analogy from another field that, this is like a cinematographer getting bent out of shape and angry at the camera leasing company because he used a film stock his camera wasn't correctly calibrated for. From what I've read about it, it sounds like the setup on the servers had some issues that made the queue time issue into a problem where it wouldn't necessarily be for another, or even most other, customers. If you are or want to be, known as a technical company, that means you have to take responsibility for your mistakes, even if your mistake was thinking that the vendor was going to catch and fix all the mistakes and bugs in the service that they are providing to you. Building web services that are performant, stable and economical is hard work; you can't take your eye off the ball, and you can't just blindly hope that vendors will take care of your shit for you, you have to know what you're buying, and what you should be getting.

And, if you're going to go public with your complaints, it's best to do so in an understated, fact based manner. In this case, Rap Genius comes off like a guy screaming at the waiter in a fancy restaurant. They may be displeased, they may even be right about the choucroutes en sel being salted cabbage; but lot's of people around think they're making an ass of themselves.