Perhaps they assume that when the revolution comes, they will get the same kind of benefits that Castro has reserved for himself.
It is more likely that they would get what Stalin gave to most of his supporters: a blindfold and a last cigarette.
These evil dictators might as well enjoy their life of luxury on this earth. I have an idea that the after life they will share, won’t be as luxurious and cushy. Weeping and wailing and gnashing of teeth, and begging for a drink of water - is their fate.