Do you really think that’s sustainable
At $15 a month? Yeah totally. The vast majority of that 2.7 billion probably cost a few cents at most to offer service to. Very few people actually upload anything and streaming video is way cheaper than the various streaming services would have you believe. It's expensive to get off the ground, sure, but it scales well.
It was the 50s, appliances took 15 years to break instead of 15 months