Explain?
Encouraging citizens to bounty hunt each other... that's the novelty that the other states are copying.
These creepy "see something, say something" laws turn neighbor against neighbor, criminalizing behavior that would otherwise be considered acceptable, and turn passive observers into active enforcers for the sake of profit.
Again, these situations are not comparable. Idling commercial vehicles are already disallowed, this program literally gives a cut of the fine the government is going to impose.
Preventing abortion may be illegal now, but probably won't be for much longer if the rigged Supreme Court gets its way. Still, that isn't a novelty. Control of abortion has been a partisan fight for decades. Idling just doesn't attract the same constitutional scrutiny (and why should it).
The bounty hunting thing is an additional layer on top of that, however, and one that's relatively novel. It's why California copied it for the gun bounty.