

I know your question is retorical, but i think your point holds a dangerous truth: if other countries deserve access to nuclear weapons, the world likely ends up getting more nuclear weapons. Since there hasn’t ever been anything so deterring as nuclear weapons, that might get us closer to world peace. But it might also not.
presentedregulated that way: companies can buy kerosene for airplanes tax-free, but need to pay tax on electricity for trains. Funding for airports and trainstations differ greatly from high ways. Governments hand out money to make the best mode of transportation (from their pov) also the cheapest.