You say that as though, by drinking coffee, you think you are more important then they are...there's no difference, they're all customers using the same electricity and Wi-Fi as you do.
"An extraordinary story that could happen to anyone if you get stoned or drunk".
Extraordinary indeed but definitely not "something that could happen to anyone who gets drunk". If your tale is true and he appeared in court and was acquitted at least he would have had his B200,000 bail returned.
"...many stories already we have read about it".
Conditions are nowhere near ideal but all these stories are exaggerated in the extreme in order to get paid, this one being a prime example.
I don't think they were that clever he simply went back to the UK.
The Bangkok Post reported the cooperation between the two police forces after he was identified using facial recognition technology when he was still in Thailand and his plans to return to the UK were discovered.