>And in all likelihood many of those individuals will be on GMail or some other less-secure provider unless you're using Protonmail as an enterprise solution T

>And in all likelihood many of those individuals will be on GMail or some other less-secure provider unless you're using Protonmail as an enterprise solution This is true of the marginal utility of the first and last element in a network effect. We might as well push for a paradigm where hosts have no access to data rather than, in 1950 say "Why should I join the internet, there are no other computers on it"