I'm not a heavy drinker but in Rayong life is nearly back to normal. A lot of these people moaning are not in Thailand so they are with all due respect clueless.
ours was 100% free. No agent. We were married 10 years then registered at Embassy. When our daughter was born went to embassy certificate of birth free
We were never asked for a DNA test. You could protest it. You are married that is good enough. Have you registered the marriage with the British Embassy? If not do that first