It likely isn’t any different in imported models, flame retardant materials are a very basic and very important safety feature.

Also, it is surprisingly hard to import a car in the US. I’d kill for decent hot hatch that wasn’t $40k.

No reason they should exist in any day and age.

Companies do not pay per packet. Paying more for more bandwidth or lower latency kind of makes sense because theoretically they may be prioritizing your traffic when the network is under too much load. But sending 16 petabytes costs exactly the same as 1kb in a month, assuming your connection is fast enough to handle 16 petabytes in a month.