True only under your ridiculously broad definition of that term.
Paleos object to the use of the armed forces.
Paleos object to the use of the armed forces for nation building.
To them the question doesn't turn on whether doing something is in the vital interest of the US
No, to them nation building is seldom if ever so vital to the interest of the US as to justify the expense in dollars and blood of military force.
As examples.
Reagan was working towards a total change of the government of Nicaragua.
He changed by force the government of Grenada.
That is Nation building, whether or not you like the definition.