Imagine you have family with 4 kids. Are you actually going to spend $600/year on facebook?
Also, I wonder if the people who _wouldn't_ pay for a subscription are just quieter? And finally, would you really want to be on facebook if it lost half of its user base because that half didn't want to pay?
No matter how you slice it, the ad supported model might just be a better flywheel than subrsciption based one.
The US + Canada market generates 3x the revenue per user versus the EU, and 10x the per user revenue of Asia Pacific.
Here's the Q4 reporting:
"But most of Facebook's money still comes from users in the U.S. and Canada, where that number is even higher: $26.76 per user."
https://www.cnbc.com/2018/01/31/facebook-earnings-q4-2017-ar...
And here's a break-out on the regionals for past Q4 reports:
https://www.statista.com/statistics/251328/facebooks-average...