I deliberately excluded the 99% shares that are still held by the CEO because I think that even the valuation based purely on floated shares grossly overstates

I deliberately excluded the 99% shares that are still held by the CEO because I think that even the valuation based purely on floated shares grossly overstates the value of the company. VinFast cars are some of the worst cars ever released in the U.S. Test drive one and you'll understand immediately. (And on that note, VinFast has sold fewer than 200 cars in the U.S. to date.)