Why are there negative perspectives on backflow testing?

Recently I’ve noticed some news articles about backflow prevention devices, and what stood out was the negative perspective that individuals have towards them. There’s several arguments that residential irrigation systems shouldn’t need to be tested more than once every few years. Why? Well, for one, it’s an expense that most customers don’t recognize as necessary. There’s no tax break from it–n  new pair of shoes to go along with getting a backflow device tested. ...