You deny the obvious and argue with superficial platitudes. Show me a country anywhere in the world that is thriving despite being defenseless against the encroachments of a nearby superpower. I can't think of one. If you need more examples, the former Soviet countries near Russia have a similar problem.

Without the Marshall Plan, Germany would probably be an agricultural country with a below-average GDP, just like Ukraine. You would have to be completely clueless to believe that weaker countries can develop freely and independently of the influence of the major powers in whose sphere of influence they find themselves.

If you believe that the differences in economic performance and political stability in different countries have other causes, then say so openly instead of beating around the bush.