And many times they do not. I am an educated person with two degrees and was a teacher. Those who are not vaccinated are not all uninformed idiots. And the jury's out on whether even those who can have the vaccination should indeed have it. Time will tell.
I usually go to Chiang Mai twice a year and live there for half the year all told. I've been away since the beginning of lockdown and I can't bear another winter in the UK so... I hear you!