Instant gradification, longterm retention, nearterm future need for another instant gradification with additional long term retention, in greater concentration. When the grubs return again, another instant gradification with additional longterm retention at a still greater concentration. It is a never ending cycle.
It is less expensive and more ecologically responsible to maintain a healthy ecosystem with low levels of predators.
But wait, that is not what we learn from the salesman at the garden center. We should always bring out the "Big guns." The more toxic the solution the better! NOT!!!!
Only in our society can one get a high school diploma with such a high standard of ignorance that is carried like a badge of honor!