Combining that with b) above, and what we get is that no important decision will be made without an in-person meeting.
So, rather than technology speeding up everything, we will slow down everything to pre-telephone days.
Bob, the CFO, will tell Alice, the CEO, that sure, I can make that transfer of $173 million to [new_supplier_bank_acct], do you want me to fly to your office for us to complete the hardcopy authorization papers, or will you be coming to mine?
All that stuff that was accelerated by telegraph, telephone, fax, mobile phones, email, video calls . . . poof! Pretty much entirely untrustworthy for anything significant. The only way around it could be a quantum-resistant and very trustworthy encryption system...
I'm not sure the net result of this technology actually makes life better. Seems to empower the criminals more than the regular people.
Deploy the technology against itself, train the cops to use it? My guess is that they'll always be several steps behind.
Even if we try to do the right thing and kill it, it is already out of the bag - the authoritarian states like China and Russia will certainly attempt to deploy it to their advantage.
The only way out now is to take maximum advantage of it.