Eh, when it happened the world was ready. It felt like a different internet back then, and it was pretty great for a company to say that everyone was already on github anyways, so let's all go there (Microsoft followed almost the exact same timeline with Codeplex, and really who cares).

More Google style would be shortly after shutting down Google Code starting up a new code hosting project, migrating several times to always slightly incompatible frontends requiring developer changes, shutting down the project, and shortly afterwards starting up a new code hosting project...