Because they’re a notoriously bad design that is prone to failing on every front that Tesla claimed they were the ‘cutting edge’ on. They’re just BAD. The only way Tesla is going to sell out of their production line is by forcing someone to buy them, and it looks like it’s the US military.
I wouldn’t think the same thing for Ford F150s, but I DEFINITELY would if suddenly we started hearing about police suddenly buying Fisher Price cars after hearing story after story of how they break down and leave toddlers stranded.