As long as an unspendable outputs (OP_RETURN outputs for example) with
amount=0 are still allowed I don't see it being an issue for anything.

On Sep 5, 2017 2:52 PM, "Jorge Timón via bitcoin-dev" <
bitcoin-dev@lists.linuxfoundation.org> wrote:

> This is not a priority, not very important either.
> Right now it is possible to create 0-value outputs that are spendable
> and thus stay in the utxo (potentially forever). Requiring at least 1
> satoshi per output doesn't really do much against a spam attack to the
> utxo, but I think it would be slightly better than the current
> situation.
>
> Is there any reason or use case to keep allowing spendable outputs
> with null amounts in them?
>
> If not, I'm happy to create a BIP with its code, this should be simple.
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