I just installed it about 5 minutes ago. On the "setup your account" screen, there is no option for a local account. You must login or create a new account. Now, once you go to create a new account, there's a low-contrast option at the bottom to skip this step.

I think I'm fairly computer savvy, but had I not searched on how to bypass this, I probably would have set up an MS account. For "normal" people, I'd say this will be extremely effective at increasing their "conversion" to Microsoft Accounts.

It's extremely hostile.