It's significantly weakening one of the US's greatest geopolitical enemies for a small fraction of the US defense budget.
Even if you don't care about the US's geopolitical aims and want to reduce the defense budget, eliminating Russia as a military threat is the best justification for reducing the defense budget and stabilizing European democracy.
Even if you don't care about the US's geopolitical aims and want to reduce the defense budget, eliminating Russia as a military threat is the best justification for reducing the defense budget and stabilizing European democracy.