The sensors are there for a reason. We are supposed to check the tire pressure on our wheels every couple of weeks at a minimum. Honestly, over the past year how often have, you checked? My wife got some new tires for her old Kia Sportage after she went out shopping and came back to the car to find one tire totally flat. It wasn't that there was a puncture, but rather the sidewalls had degraded enough with age they started to leak even though there was loads of tread left on the tire.
Her new tires for whatever reason, one of them had a slow and inconsistent leak. It would be fine for most of the time then suddenly it seemed to lose pressure. I had checked her tires on the weekend and they were all correct. By the Thursday, the one tire was running 15psi. Again, no puncture and I pumped it up to the required 40psi and it held that for the next 4 weeks. Why did it loose pressure? when did it loose pressure? luckily it was a rear tire and not a front one that you need the psi to keep good steering. A TPMS would have told her that a tire was losing pressure when it happened. I don't know if she had been driving for one day or four with the low pressure. She said the ever so helpful, it looked wrong a few days ago, but didn't bother to check the pressure, or even tell me.
So you might think TPMS is a waste of time, but don't go around thinking that it doesn't do anything. it's like the crash avoidance. You should not need it, but it could save your life.
2018 Niro EX - Ocean Blue
GTA - Canada.