In a lesser level, taking a report from someone who you know is a bad hat (evil or worthless person) and using his information to take action, is the usual reason for mistakes made in management.
Ezingeni elincane, ukuthatha umbiko kumuntu omaziyo ukuthi mubi (umuntu omubi noma ongelutho) futhi usebenzise imininingwane yakhe ukuthatha isinyathelo, yisizathu esivamile samaphutha enziwa ngabaphathi.