Absolutely, methamphetamines and amphetamines are a terrible scourge on Thailand, especially visible in upcountry villages. Youths are often sent to Wat Tham Bork in Saraburi for a month of herbal treatment and hard hitting semons/ talks. It works for some but if, as often happens, the addict goes back to his old stomping ground, plus has no work, then there's the inevitable relapse. The problem with ya ba is it's so easy to produce in Myanmar and Laos, and there's the porous borders. Regarding cannabis, what to do? It was Anuthin's own party that legalised it, perhaps keeping it legal to smoke only at home, or for foreigners on a designated island, Koh Ganja....