What guy? What DTV were these people going after? The reports I've read and guys I've actually spoken with have not had any issues getting the DTV for remote work with only a current back statement.
The 2 guys that I've spoken with from the US received their Visa's within 15 days using only the documents stated on the consulate website, nothing extra as Vietnam requires. If someone wants to snag the DTV quickly then go through Laos and not jump through hoops at the Vietnam consulate.
Lawyers are a big source of angst currently nay saying this visa as anyone with a business is paying them every month for services, bi-annual audits, WP, and the actual business visa renewal. If you're only doing business outside of Thailand and you already have a Tax ID with credentials to login and pay taxes if seems foolish to continue lining the pockets of lawyers when the DTV is simple to acquire and maintain.