This is a good illustration of why you need a faculty union and a well negotiated contract that eliminates such ridiculous criteria for salary raises.
helpful is right, I went to a school, as an undergrad, with student evaluations but they meant nothing. If they had the union would have shut the place down. A good school that taught values.
Let's be honest, if you are enough of a jerk to be hated by the students, you won't make a lot of friends in faculty. Tenure is more about collegiality than most expect.