And something nobody has mentioned yet- the WEAR on the batteries. Those expensive batteries have a service life, and with every discharge, they lose more life. That probably costs way more than the measly sub-wholesale rate being paid. I mean, really, $150 per "Season" (which probably means year) is a joke.
And those touting "but it is voluntary"... let me introduce you to the "slippery slope", which is often a plan, NOT a fallacy. Just one example (of so many I could list):
1) You are an adult, it is your body, car, and risk.
2) Well, we are going to push a lot of education about seat belts (a good thing).
3) Mandate alarms and nags (not so bad).
4) If pulled over, you will now be warned if not wearing a seat belt (also not that bad).
5) OK, now we are going to ticket you. But only if driver not wearing, and only if there was some other offense you were ticketed for which has to be primary. And no points.
6) Now we ticket you if either front seat occupant is not wearing, but still can't pull you over for that, and has to be some other ticket issued, and no points.
7) Now we drop needing some other ticket issued.
8) Now it is any occupant.
9) Now we can pull you over ONLY for not wearing.
10) And now it has points deducted from you as well.
Give the people time to get used to each concept and turn up the temperature slowly. And there were PROMISES made along the way that it would "never be this" or "that". Then, over the decades, it is exactly what was predicted by the naysayers. (And no, I would never get in a car without wearing a seatbelt, regardless of law or penalties; if that is your line of thinking, you missed the point of the example, entirely).