I use the Vancouver version of this site all the time.
Turns out my favorite local pub (The notorious Kingshead) is structurally unsound.
Having worked in plenty of restaurants, I would say it is almost impossible to be perfect. Things like coolers not being cold enough or meat stored on a top shelf can happen sometimes. Pests to, to an extent.
Take Hulse Haters advice. Also look for more ignorant violations on the inspections, such as open mold growing, or incredibly unsanitary conditions.
In the end, whoever eats at the places with the most violations will probably live longer than the rest of us anyways (but maybe have more diarrhea).