HANLON'S RAZOR:
Never attribute to malice that which is adequately explained by stupidity.
Robert J. Hanlon. Murphy's Law Book Two: More Reasons
Why Things Go Wrong (p. 52), Compiled and Edited by Arthur Bloch Price/Stern/Sloan Publishers Inc., Los Angeles, California (1980)
https://quoteinvestigator.com/2016/12/30/not-malice/