I can tell you for sure there are millions of people who don't care at all about having their pictures taken and sent over the net so long as tgey get an affordable treatment.
Being desperate can do that. The point however is to offer people affordable treatments while keeping their dignity and privacy.
Instead they get sent over a proprietary system at an exorbitant cost.
Not all problems are EITHER / OR problems.
Why not? Facebook may be able to target the best product for your needs.