Has anyone tried to reproduce it? Good luck convincing an ethics review board to let you try that again.

Meanwhile, it’s been reproduced “in vitro” in numerous episodes of atrocity, e.g. Abu Ghraib…

A reality TV show tried, because they have more practical ethics requirements than academic institutions, and were able to run the study as long as everyone agreed to be there and there was no sign of abuse: https://en.wikipedia.org/wiki/The_Experiment

Also, how do you italicize text in your comment?