Which means equally useless. I agree with him about transactional DDL. Having worked both with it and without it I would never want to go back to MySQL.
I have never said that it was useful :o I work with SQL Server, and I have been always amazed that DDL aren't transactional in Oracle. And it's supposed to be a "serious" database. That and the empty string being equals to NULL, but I think they 180 on that point in the recent years.