Look at Ethereum on CoinMarketcap.com.
Next, find Counterparty.io on CMC. You'll have to scroll to page 2.
What you'll notice is Ethereum is worth over $100,000,000,000 today while Counterparty is worth about $100,000,000. It's a difference of 1000X.
Importantly, Counterparty wasn't premined whatsoever (wow!!11). Conversely, 70%+ of all ETH which will ever exist was explicitly premined by the Ethereum Foundation and investors in the Ethereum ICO. At this point, in retrospect it would've been WAY better for the founders of Counterparty to premine the coin and ICO it to smithereens. At least then they'd have millions in capital to hire people with, while the founders would be heavily vested in the coin.
But this didn't happen, and since then we've learned real world investors don't care at all about fairness in coin distribution. It isn't like any coin, to include Bitcoin, is "fairly distributed" by any reasonable definition of fair. Something like 90% of all BTC is controlled by less than 10% of all Bitcoin holders, meanwhile billions of people don't own any BTC whatsoever.
Of the top 10 coins on CMC, 70% are premined: Ethereum, Ripple, Cardano, NEM, Neo, Stellar and IOTA. Of the top 20 coins, 75% are premined.
IMO the only conclusion we can draw from this is cryptocurrencies are de facto bearer share companies, and investors in these companies actively seek out coins where the founders of the company scoop up a good amount of the pseudo-equity for themselves. It vests the founders in the project, and gives them a source of funding, if indirectly.
While I for one really do wish your "knowledgeable" friend was correct, alas.