(George William Herbert) wrote:

We know we need to head that direction, but there are engineering
community inertia issues with going there, and user demand type
issues with going there, and neither is easy to make go away.

Well said.

I hear people saying "Private enterprise will make them go away," and
"high build/flight rate will make them go away," and "my neglected
favorite design tweak will make them go away," and occasionally even
"one more lean mean NASA re-org will make them go away."

They don't seem to be in a hurry to go.