> While I understand that all in business terms, they're missing a critical component - sufficient proven demand to support enough volume to justify these investments
Probably BFR will lower the launch cost low enough that would create new customers.
Absolutely this; also current customers can launch cheaper satellites, because they're easier to replace. For example, spend $500M on a satellite that has to have extreme reliability due to high launch cost and availability, or $50M on one you can replace at whim.
