Because that time 77+ is often spent in pain and suffering with very little quality of life.
I'm happy to give my 'Zimmer frame/nursing home' days a miss.
Not required for Brits since 2018(?), 14 days visa waiver on arrival allowed every month. 1,000bht air fare each way, direct flight from Chiang Mai to Hanoi, Da Nang or Saigon.
I went loads of times before COVID.
As far as I know all the Thai brick currently on sale is Cambodian brick. I've been smoking the same brick in Vietnam, Cambodia and Thailand. Its all smelled and tasted the same, THC content 5-7%. 3,000bht/kg at the moment in Facebook groups.
I'm happy with 5% THC at 4bht/gm.
Im not happy with 20% THC at 700bht/gm.
20bht v 700bht for the same effect.
I don't really care about the taste of the weed, in the same way I don't care about the taste of paracetamol.
Calibrating your pH pen.
I dip mine in a glass of milk and wind the adjuster screw until the display reads 6.6.
https://s.lazada.co.th/s.hxCH7
Mine was way out when it arrived from Lazada, reading 6.2 for milk...... No way!
The foreigners that have issues are those expecting a return on their 'investment'.
No need for any foreigner to learn Thai, once you speak English, Spanish, Urdu and Mandarin would be the next languages to learn.
I never went on holiday to any country where the advance paperwork was more than paying for the ticket. I can't be the only one to choose holiday destinations like that.