That is really just something people in USA like to think.
They will just need to restructure, launch other models as suggested, add more special editions and maybe target the URBAN
https://www.urban-automotive.co.uk/ customer market more with Arcane.
If they are not going to be at all competitive in the USa then they may as well just increase their price by 50%, blame tariffs and make some US specific models.
Portals, lifts, higher output engines, lowered etc etc.
There are still plenty of people in the US willing to pay $150-$200K for a unique vehicle.
Remember that none of this impacts Canadian or Mexican sales so they can change their focus from US to those markets.