I don't know which surprises me more: "an average speed of 15.6 Mbps would be required to stream its 4K content" or "only 15% to 20% of households have the spee

I don't know which surprises me more: "an average speed of 15.6 Mbps would be required to stream its 4K content" or "only 15% to 20% of households have the speeds necessary" Isn't that an absurdly low bitrate?