[ufmace]

IMO because they make better strategic than tactical weapons.

I don't see much value in that article - it's basically just Colin Powell quoted as saying that he doesn't think nuclear weapons are useful and that they should be eliminated. But he's just one person, at one time, and he doesn't say anything about how. That's far, far away from a broad agreement among the entire US military and government. It's more like political propaganda than a reasoned analysis.

An actual modern military force in the field should be significantly less vulnerable. You'd have to be quite close to the detonation to damage armored vehicles and troops in good cover. Actually targeting it well is likely to be hard too. It would be nasty to soft vehicles and buildings and anybody outside of cover, but 5 minutes warning could cut that down pretty well.

But they would be quite effective indeed against more strategic targets, from military bases and logistic areas all the way back to factories and cities.