Well, if people would've known that zombee was the owner of MagicDice, they would most likely never have been so successful, so being honest, open and willing to reveal the true identities would certainly be in favour for any dApp. That would be truly trustworthy.
I don't see the point of providing any dApp my personal information, not as a customer... But I do see a good point of not hiding behind some anonymous username for a business.
I get it though, not everyone is willing to dox themselves online, for various reasons, but it would be the absolute best trust-building scenario to do so. Any other route would be more time consuming and it would never reach the same level of trust as the identities.
On the other hand, there are multiple individuals on STEEM that are more than capable of gathering information so they could easily dox anyone they wanted too...
RE: 7 Facts about EpicDice VS the vanished MagicDice