Is Buterin supposed to invent a cryptocurrency and own none of it and not be invested in its own success? How much is acceptable? Who deems the amount acceptable?
These are all very good questions! I wasn't trying to pass judgement one way or the other, I just think it's an interesting discussion point. Certainly, if crypto currency is going to stay mainstream we (the US) will be regulating a lot of this in short order.
Are they "close enough"? How can we be sure which wallets belong to who? As far as I know (which is admittedly little in this space) the very point is that we can't be sure. So really there's no assurance at all.