Not necessarily. An entry stamp will pull it up if it's on the back of a DTV. But we'll see. It's not relevant to me. I'm just going for the DTV to replace the clunky non-O with all its pedantic requirements.
I don't think a spouse will need their own DTV (possibly won't qualify). I think the carrot on the stick for the DTV is to make life easier for married couples. The Info provided by MFA states only marriage certificate
A lot of people are being very negative towards this new visa because it's a game-changer. It's the biggest upheaval in Thailand visa history. It's virtually an open door to anyone who wants five years in the country