

Long term care and senior types of insurance dies over night.
Pay for your job will get adjusted so that you basically will have to work until you die. Company owners will not allow you to retire. They will find a way to screw you over.
People will care a little less about long term injuries. If the injury won’t really affect you until later in life it won’t be a cause for concern.
Doubt that is what happens, unless that billionaire is really stupid.
They already have their estate (money, properties, etc) in a trust fund. When the current beneficiary dies the trust has a secondary beneficiary listed. There is no inheritance tax, the next person in line just gets access (the benefits) to the trust. If that beneficiary dies, the next person on the list just gets the benefits of the trust.
Generally speaking who ever is the current beneficiary lists who gets it after them. Kind of like how we do a will.