You don’t have that correct. Not your fault, the system is very confusing.

Class III can’t have throttles by definition. They have a max speed of 28mph.

Class II have throttles but a top speed of 20mph.

Class I have no throttles and a top speed of 20mph.

You are thinking of unclassified bikes (electric dirtbikes, mopeds, and motorcycles).

I think the secret service or something came out and said “it wasn’t the glass”

In the US you get charged with a bunch of bullshit as an intimidation tactic (or often for propaganda reasons). In court it gets haggled down to the actual charges. No penalty for prosecutors doing this.

Polyurethane is made by (among other steps) mixing paint thinner and phosgene gas. It’s a nasty dangerous process.

The only time plants are involved is when they mix in some fiber pulp at the end.

Plant based plastics exist, but they are not polyurethane.