Boeing 737 definitely has another iteration or two left in it. There are only two manufacturers in the world so customers will be forced to flock to it. The main benefit, though, will be the financial folks can then divert any new aircraft development funds into their own pockets. No, unlike Elon Musk they have never started a company from the ground up. That said, by diverting those funds, they will ensure they are paid within the same realm of Elon Musk.
Boeing 737 definitely has another iteration or two left in it. There are only two manufacturers in the world so customers will be forced to flock to it. The main benefit, though, will be the financial folks can then divert any new aircraft development funds into their own pockets. No, unlike Elon Musk they have never started a company from the ground up. That said, by diverting those funds, they will ensure they are paid within the same realm of Elon Musk.