Transparency of hive is something we can never doubt about being a true Blockchain unlike someone who knows it exists but want that Control or power in hand won't be able to do anything.
Good thing is that Elon musk do Read Twitter Comments and actually if he found something he won't resist to reply. Not that hard to make him know about existence of hive.
But I believe all we need is Something like that Hive movie which will definitely leave a proper exposure.