Oceania was taken off the list within days.
Apparently there was a communication snafu.
This in reply to an April post as follows:
>Does this concern any of you in regards to booking and sending in a deposit so far in
>advance? If I do decide to cruise with Oceania, I might want to do it on a "last
>minutebasis". That way, my deposit money and vacation are more likely to be more
>"Travel Guard Alert: Our policies no longer cover financial default for the following travel >suppliers:
>Company Effective Date
>Oceania Cruises 04/16/2004"