The “early” Bolsheviks, as in before they came to power, probably did oppose torture, seeing as they were the ones being tortured.
Changed their minds right quick after the Revolution, of course.
According to a first hand report from a Jewish Lady I knew. Who btw would try to sell a bar of soap so that her Mother could buy a Potato. She feared the Bolsheviks more than the Nazis. I believe her. Lived in Kiev.
Considering the wrath of the Nazis, that was a telling statement.