That's total nonsense. The Lightning is a new vehicle and the ramp-up is a real thing. It's completely separate from the change-over from cars to SUVs and trucks, which is 100% consumer-driven. If you prefer a cheaper sedan, then buy one - they still exist. If enough people buy them they will become scarce and the price and profit will rise. Then they'll make more of such more profitable vehicles.

The move away from sedans is driven by people being richer than they complain to not be on reddit.