The first batch to arrive on dealership lots usually are fully loaded and those who want the basic package are left waiting. They're probably hoping the latter group would cave and spring or the more expensive model and it works sometimes. Too bad Touch Pro still doesn't support Android Auto or Apple CarPlay.
Part of it will depend on where you live along with how many of these Jaguar is projecting to sell. Even the market you live in matters due to how they spec it out. Markets like India and China should be seeing more lower trims available right away on dealer lots. North America is the complete opposite.