Nobody argues the infrastructure part, he's saying that Google's Engine simply does not make much sense. Thing is, for 99.9% of all web applications do not have

Nobody argues the infrastructure part, he's saying that Google's Engine simply does not make much sense. Thing is, for 99.9% of all web applications do not have such crazy scalability requirements and open virtualized environments like EngineYard, Joyent, EC2, etc simply make more sense - they're open, they also take care of administration and hardware for you, but you're not supergluing yourself to Google's proprietary "WebOS".