What feeds people is fair access to food. If all Nano supply is controlled by people who happened to chance on the right corners of the internet in 2017, then this is not about feeding people but about rent seeking.
Try looking up how Nano was distributed in it's early days. It's a very different story - miles more egalitarian - than BTC or ETH, or the vast, vast majority of other assets.
Airdrop by captchas is miles less egalitarian than making people mine for coins in a fair competition over decades. Worse yet, there's no way to verify that a majority of coins didn't end up in the hands of just a few people