You mean the preview that isn't licensed for production use? That Microsoft warns you away from using for anything useful? That preview?
He is not complaining about a bug. Nor does he complain about a not ready for primetime feature in some early development version. Those are expected.
He is complaining about how a feature is implemented. Features such as this, rarely, if ever, change between preview/demo and final release. If it does change, it will be mostly because of the outcry, not because it was supposed to change in the final all along.