Magic had a barebones page with no privacy policy too (and still does, surprisingly), yet thousands of people gave them their cell number.
That's not a good thing, but still.
Sorry for being so outdated, but what is this "Magic"?
It is a text message service that purports to handle just about any request you make (food delivery, whatever), they just tack on a fee to the price. They had to limit to a wait list, as the demand exploded.