[watchfirst9]

Seriously if US blocks the Malacca straits from China, I believe the Thais will also close the Kra canal to the Chinese as the Thais have been a US dog all the time.    

Yes cannot trust YT story on canal, another thing that often overlook is
https://i0.wp.com/www.defencexp.com/wp-c...=768%2C778&ssl=1

Tiong govt likely already has other emergency routes.

Also My already offered a land bridge earlier, 
Thai will need to increase efficiency to compete to My, Sg and perhaps Batam. Within twenty years Sg should still
hold the lead.
What is important we make this region peaceful.