You think any rule should have a one flat rate. One size fits all?

To be fair, rule should have different multipliers. Small rate for small car and buses, huge rate for trucks. Easy.

> You think any rule should have a one flat rate. One size fits all?

No, but it's more elegant and less gameable that way. Otherwise, we wind up with the Section 179 problem [1].

[1] https://over6000pounds.com/electric-vehicles-that-unlock-the...

I don’t understand why we can’t have this, and exemptions for public transit, or human transportation companies providing municipal services?

Don’t let perfect be the enemy of good. If a solution isn’t as elegant as possible, but significantly reduces the amount of SUVs on the roads, it’s a good thing - period.