I think the comparison to asbestos is off base. Asbestos has very obvious good (it's evidently fantastic at insulating stuff), but also kills you. With crypto the benefit is (at least to me) a bit more obscure, and at least from proponents point of view the harm is avoidable if it's just used properly.
It sounds like the ethos in place in the DAO is “One dollar, one vote”? Voting rights are expressed in currency.