3) Technology will soon replace the need for pilots, just as they did for radio operators, navigators & flight engineers. Regulatory authorities are recognizing that pilots no longer need such thorough training with the advent of the MPL. I expect that within 10 years, the next generation of aircraft will still have two seats in the cockpit but for certification one of them will be empty. The First Officer will instead be a "Flight Manager" sitting in an office monitoring 100's of flights.
Airbus have stated publicly that "their aircraft will always have two flight crew"