Social Media Platforms like Twitter or Youtube, can’t or would not assume a genuine or legit business posted on by a simple mere suspicion and without any complaints or case directly reported to them with the authority to verify such.
And by checking them means a waste of time or more manhours that will be something that Twitter and Youtube accounting can't handle for 330 million users worldwide and 2 billion YouTuber.
And it is also the fact that Bitcoin Scams is rampant.