This form of navigation is probably only accurate enough for nuclear weapons, you’re not going to get meter-Range CEPs with that. You probably have to select a city you want to hit.
https://thebulletin.org/2017/03/how-us-nuclear-force-moderni...
So you could say the use would be increased certainty your enemies command and control and other bunkers would be destroyed increasing the odds of “winning” whatever happens afterwards.
And I would doubt image recognition for ground features would make it that accurate, too. Before reentry, you’re very high and fast and reentry isn’t that predictable to get you accurate enough to hit a house. And during reentry, you’re not going to see anything though plasma. And after reentry, you probably don’t have enough time and control authority to still guide into a specific house.
ICBM guidance is very different from cruise missiles.
Hypersonic glide ICBMs have been successfully tested by China, and are under development in the US, so it's entirely possible to maneuver, and optionally guide them in the terminal, though perhaps not advisable on a jammable channel, except perhaps as an anti-radiation weapon.