Your example is bad because it is a SF & the formula for SF salary is broken but it is certainly true for big men.
Look at these 2 Cs...
1/5/5/5/5/5/6/6/6/6
kills a
1/1/1/1/1/1/7/7/7/7
but the 2nd guy will have a higher salery.
But for guards I haven't seen it, if their secondary skills are higher they become SFs or PFs mostly.