The point of the Primacy HP tires is twofold.
1. It gives the car a lower limit so in stock trim it can be flung around corners sideways. Yes, this is not the fastest way around a track. But it is one of the more FUN ways to do so. Check out this vid where Chris Harris takes an AMG C63 for a spin on 4 space-saver spares.
2. The tires have a very low rolling resistance. This gives the car a better fuel economy in the EPA tests. Manufacturers need to meet minimum average mileage ratings So anything they can do to get their average up will be done. Be prepared to see more and more cars coming with low rolling resistance tires in the future.
You don't have to be Nationally competitive in AutoX to want to tune the car to your class. Regional and Divisional levels can still be plenty reason to want to shed weight and improve the handling. So it's good to know that they're keeping an eye towards AutoX and other venues where this car should excel when they come up with new products. It's better, in my opinion, than just making mods for the sake of making new stuff to sell.
Back OT: Good review. Considering some of the comments I've seen in reviews about the interior, I think most of the reviewers don't know that the seats are height adjustable and the steering wheel is telescopic. It's good to see that they made sure this small car will fit a wide range of driver sizes. However I think the comment about a 6'7" driver might be overboard unless they recline the seat which isn't my preferred driving position.
I'm VERY interested in an exhaust that has weight savings in mind. One with a centrally mounted muffler would be great. I'm looking forward to it.