App owners and moneypot owners have no risk whatsoever. They take commision from the wagered bitcoins, investors take the real risk of players gambling against their bankroll. So yes, only investors lost.
App owners incur the cost of hosting the app and the cost of marketing/attracting players to play at their app. MP owners incur the cost of attracting app owners to develop MP apps and to attract players to play at MP, as well as the cost of securing funds, and the various seeds.
A lot of the costs that both app owners and MP owners incur will be incurred regardless of betting volume, so they are risking that betting volumes will not be high enough so that commissions on bets to cover the costs.
On a per bet basis, it is correct to say that MP owners and app owners do not bear any risk on each individual bet, however it is far from accurate to say that they do not bear any risk at all.
Yeah, I was referring to per bet basis as you said it. Didn't take the other costs in consideration.
Nevertheless I'd still say investors' risk is way greater than it should be.