the controversy is ... there is no controversy!
Seriously? Oh Herouku have abandoned the full J {2} EE specification and they are eschewing implementing containers! ... stop the presses clear the back page.
This is not news, pretty much all of the current Java clouds have already done this, perhaps with the exception of RedHat/JBoss for obvious reasons ...
This does however beg the question, how does this relate to VMForce.com, which was supposed (I thought) to be a strategic partnership between Salesforce and VMWare to deploy Java/Spring etc in order to capture the enterprise developers???
funny that the keen hacks @ the Register failed to investigate ... yawn