I would just argue that objects of the Person-type are mutable, because basically everything about them can change without modifying who they are. The only thing immutable about a person is any one Moment-type object in their past.
Edit: I found your comment to be an interesting take on the concept, thank you!
American (and european) car makers can’t fill that market need due to higher labour costs and stricter environmental laws.
Also the fact that the chinese government heavily subsidizes electric auto makers skews the market in favour of the chinese manufacturers.