Traditional aerospace is not -- ULA has shown zero incentive towards driving down launch costs, their interest is more in keeping prices up on their USG gravy launches.

Falcon is not fully reusable, there's a hard cost floor from the need to throw away a second stage for every launch, and there's no reasonable prospect to avoid doing so. The idea is that Starship will beat Falcon on launch costs long term. SpaceX itself is chomping at the bit getting Starlink to launch on Starship instead of Falcon, because it will be cheaper.