To a car guy, it sounds foolish. But to the average person, who probably doesn't even know what half of the stuff in that list is, it makes the car sound better. Most Camaro buyers know their stuff, but car buyers in general tend to be clueless. They just read the words, and think it must be great.
The other possible reason they do it is just to fill space if it happens to be a car with absolutely no options.
Oh, and I've seen Smart cars at car shows. A tach is apparently an option....and it plugs into some weird place on the dash that is separate from all the other gauges.
Another Smart car fact....it was the only car at the Chicago Auto Show that I could touch both the front and rear bumpers at the same time.