@aral I just posted on this. I encourage people to download the UN Special Rapporteur's report. Read it if you have the time, or at least skim through it so you understand the contents. The news coverage is potentially useful to a casual audience but sharing the report is likely a better strategy.
@geordie@selzero some of the rich are aware of this problem and they have ideas...
"The billionaires considered using special combination locks on the food supply that only they knew. Or making guards wear disciplinary collars of some kind in return for their survival. Or maybe building robots to serve as guards and workers – if that technology could be developed “in time”.