I think that it stems from the "Thai way, or the highway" attitude typically encountered. This attitude is really prevalent with Thai academics.
I heard that the effective approach to teaching ESL is to avoid discussing explicit grammar rules. (I'd add, unless you're teaching advanced students,
Probably the cheque is in the post after this report!
Surprising there is still mention of the case. Apparently, the family hasn't donated to the Bangkok Post
I wonder Jackie, if you can find a tour group which travels in a van from site to site, and would your mother be comfortable sitting in the van waiting