I agree with lost. That said, the unit is a halo vehicle, intended to add awareness, excitement, and definition to the brand. Engines and unique components sourced from Ferrari likely have limited production (and bad margins, even at the higher price point). Also limited availability adds to the exclusive and exciting nature and also assures a high price point- pure economics.
The ultimate goal is (in my projection) is to sell more pedestrian Stelvios with volume efficiency, add definition and emotion to the brand, and increase market penetration vs. established competitors.
Timing is very difficult given the complexity of all of the forces involved (government, design, parts, marketing, vendor supply, quality, exclusivity, transit, distribution, service + support, insurance, certification, etc.), any one of which a problem grinds the process to a halt.
Remember: This is all a clean sheet design. These things don't just fall from the sky because on the consumer side things look (deceptively) so easy and the tech is so often taken for granted.