There have been problems such as the peanut-product contamination, and as I recall, one reason was that there weren't enough federal or state inspectors. So that should be worked on. You're so right about this.
Contaminated water sources create problems, and so does contaminated manure. These are all fixable problems. All states should require inspection of Mexican cattle for tuberculosis, all of them.
There is only so much money, and where we spend it indicates our priorities. It's just that there are competing first-priorities.