Real quick, this forum does not allow me to post a lot of responses, so I encourage everyone to email me rross@foldingcoin.net or join in the discussion here https://bitcointalk.org/index.php?topic=781352.0 but i will still answer as often as this forum allows me to per day :)
The miners are there for a reason. Looking at the Counterparty protocol you will see that since the CP assets live inside the individual BTC transactions, that unless the miners verify the transaction to be accepted, then the assets will work in the same way that BTC does and not go through.