That's about common type ratings. With the same cockpit, a pilot qualified to fly the 737 is qualified to fly anything in that common type rating. If the 737 MA

That's about common type ratings. With the same cockpit, a pilot qualified to fly the 737 is qualified to fly anything in that common type rating. If the 737 MAX is similar enough to be in that common type rating, no specific training or certification is required. That's something Boeing wanted. Probably because the airlines wanted it.