"Old-fashioned manned planes" work. It's not riskier to bet on the sure thing that has an upgrade path (in the event that drone AI does make the jump, it's not

"Old-fashioned manned planes" work. It's not riskier to bet on the sure thing that has an upgrade path (in the event that drone AI does make the jump, it's not like a modern fly-by-wire plane won't be able to be retrofitted) to the potential new thing.