We also have much cheaper and more reliable access to space. SpaceX and eventually Blue Origin will continue to push this down significantly. The one downside o

We also have much cheaper and more reliable access to space. SpaceX and eventually Blue Origin will continue to push this down significantly. The one downside of this is that the same types of tools in space to deflect asteroids would be quite excellent for pew pew against things down on earth. It could cause a whole new level of cold war style standoffs.