Just spoke to my Thai wife from Isan about it. Apparently, the problem isn't when it's cooked - the problem is that some people prefer it uncooked and therein lies the danger!
P.S. As an aside, I note that the post says " millions of Thai people, especially in Isaan,...." Apparently it can be written in various ways i.e. "Īsān; also written as Isaan, Isarn, Issarn, Issan, Esan, or Esarn" which is probably why Thai is such a difficult language to learn!!! ????