Hyper-growth is an abused term in the valley. We've coincidentally forgotten that the only metric that truly matters, in terms of business (as it relates to growth), is revenue-for a high-growth company.
Tricking someone into using, or coercing them into signing up, in order to watch something is interesting, but it's not a business.
What's going on is interesting, but don't fool yourself into thinking they are all going to be big businesses.