like many others will and have said, its simply too expensive.
Just like Richard said in the recent Top Gear episode when they tested the LFA.
Its still a Lexus!
2016 BMW X5d - Black Sapphire on Terra
2017 Range Rover HSE TD6-White on Ivory
2010 Audi R8 V10 Coupe 6MT-White on Red - gone but not forgotten