Deliberately massively under-producing cars, that aren't exactly 'exotic', then allocating them to regular Porsche customers, or people who are prepared to bung their dealer principal a big enough wad of cash in an envelope. And if you think that doesn't happen you're naive. Just so that they can cash in and make a massive uplift on a car. Enriching a select few who have ingratiated themselvesmanufacturer .