Fine, but you missed the second sentence that you quoted. There is no ceiling in sight, so we have no way of knowing how high this curve is likely to go.
For now, it approximates exponential. That's bad.
For now, it approximates exponential. That's bad.
Its a pretty ironclad rule that all growth charts that look exponential are really closer to logistic and seem like they are going to go up more rapidly forever until they suddenly flatten out.