Possibly, but it's far more likely that it's the non-tech/engineering employees who have well publicized subpar to inhumane working conditions that are skewing

Possibly, but it's far more likely that it's the non-tech/engineering employees who have well publicized subpar to inhumane working conditions that are skewing Amazon's rating. There are some reports of that culture permeating into it's cloud/tech business areas but it's difficult to know the relative ratio (both # of user reports and rating effect size) between the two.