But "scamming once" isn't the situation here.
OK, but "doing something flag-worthy" is. And the question is whether flag-worthiness diminishes over time.
You guys have all admitted that what this adds up to is that you find it fishy they don't want to prove their bankroll. You say you need to warn people about this, that seems fine. However, and I understand this is hypothetical, it seems that what dadice is arguing is that they don't need to do what you say in order to provide a legit service to their customers/investors.
What is fishy is that they would rather offer weak excuses and then remove part of their site rather than offering a proof that would strengthen their image. This undoubtedly makes them look bad when they could look good, if only they were solvent.
There have been so many instances of scammy Bitcoin services that it's not unreasonable to expect the legit ones to take the simple step of showing that they are solvent. The ones that refuse to do so without good reason are likely not able to.
Presumably you would agree that at the end of the day, what matters is whether or not they can provide a legit service for their customers/investors and that time will tell about whether or not they can actually do this.
Yes, that is all that matters. But "time will tell" isn't helpful. People want to know whether it is safe to deposit there right now. Waiting a month to see if they shut up shop or not isn't helpful. If they don't, you still can't safely invest because maybe they close down the next day. If they are offering 20 BTC payouts per roll, and have only a 500 BTC bankroll, that isn't "legit". They are taking far too big a risk of bankruptcy, with other people's money.
At some point in the future, I'd think that dadice also graduates to that class. I'd also think that at that point, you guys would have to say "well, okay, they never showed us their bankroll, but I guess you weren't scammers". Right?
I guess so. But at what point? I'm horrible at predicting the future. I thought dicebitco.in and dice.ninja were the good guys, and that PRC wouldn't last 6 months. I was wrong in all 3 cases...