The problem with most bigots and racists is that they don't think that they ARE bigots or racists. Look at the democrats in the South in the late 1800s. They thought that black people were basically inferior. It was the way they were. They thought of themselves as simply being reasonable people.
You think that people in Thailand are too backwards and stupid to be able to get mRNA vaccines or that Thailand won't be similar to other Asian countries with respect to availability of medications. Or that all the Thailand news that is important has to be in English so if you don't see it right away in an english language search, it must not exist. Or that Thailand (and other country) attitudes have to be similar to the attitudes of people here in North America.
Around the world, we now have a huge rise in racism and bigotry mainly against white people due to the lies, hatred and vitriol that has been spread over the last few decades by leftwingers in the USA, Canada and Europe.
It is time for the left to let go of the bigotry and racism.
As to pfizer's stock, why would it take a hit from Thailand for one mRNA vaccine in a market for less than 0.1% of their vaccine sales? That is an idiotic idea. Note, pfizer has agreements where they sell the vaccine to avoid most liability for vaccine related deaths. That is their big shield.