Valve boss Gabe Newell has called his company's assumptions over Xbox Live "such a train wreck".
When asked if its mistake on Xbox Live was to assume Microsoft would let Valve update its games more often, Newell said:
"We thought that there would be something that would emerge, because we figured it was a sort of untenable... Oh yeah, we understand that these are the rules now, but it's such a train wreck that something will have to change."
Microsoft has a notoriously closed approach to its online service compared to PSN, with developers allowed as little as one free title update (though there are exceptions) and limitations on the amount of free game content they can release.