An unarmed bomb can be dropped from cruising altitude onto a hard surface and not detonate. The US military has had nukes fall out of planes without breaching the radioactive core.
And yet you don't think they could produce the same safety features for less volatile materials?
diesel electric hybrid on the other hand is a proven technology.
Yeah, you just have to add a diesel engine, electric engine, and a giant battery.....The whole point of moving to electric is to increase efficiency and decreasing the weight of primary motive components.
I think the main difference is she is mostly a billionaire via her own productivity. Everyone else on the list got there because they are capitalizing on other peoples labour, doing little to no actual work themselves.
She still reaps the benefit of other people's work, but she is essentially still the product of her own labour.