I stopped tagging members based on that kind of evidence a while ago, because invariably I'd hear from one or more of the accounts that they were pooling funds in a single wallet to avoid some sort of exchange fees--and while I think it's far more likely that cheating is what's happening, it certainly is possible that what these people told me is the truth.  In the end, I don't know what to believe so I started giving them the benefit of the doubt.

That said, I'm only one member of DT and others might feel very differently and would be willing to tag accounts based on address linkage.  In fact I'm pretty sure of it.  On the other hand, there are a lot of new DT members and some of the old ones have dropped off the list, so who knows.  Keep up the good detective work in any case.

Edit:

I see the merit connections and my name is there on the picture, but I have no connection with Indamuck.  Just sayin'.