The way I see it, the smart argument is not even between the main developer is a scammer or not. It's obvious he's not: no scammer will ever put so much time and effort to develop all the software and technology behind a scam. If I was a scammer I'd just quickly give coins away, quickly hype up the unaware public and sell million as soon as the first spike starts building up. Done. I'm rich. See ya all later.

The (non-trolling, smart) argument is whether the dev has a POTENTIAL to scam through the current, temporary, centralisation. Yes he does. In that way you could say he's like a bank CEO, granted. At the moment: he did express desire to decentralise and, to be honest, I'd rather trust an engineer and a fellow nerd who knows what it's like to work for everyone's benefit rather than a spoiled bank CEO whose only job is to keep rich people rich.