(on the evacuation of Cambodian cities)
"On arrival at the villages to which they had been assigned, evacuees were required to write brief autobiographical essays. The essay's content, particularly with regard to the subject's activity during the Khmer Republic regime, was used to determine their fate...those occupying elite professional roles were usually sent for reeducation, which in practice meant immediate execution or confinement in a labour camp"
If this is genuinely something you're worried about, maybe a good idea to head it off at the pass by supporting a more equal society today.
Consider whether the billionaires you're (indirectly, you say) defending are similarly concerned with protecting your own well-being.