What the H???!!!

The increase in lost bags comes as at least one domestic carrier — Spirit Airlines — plans a new fee for passengers who check their bags. Come June, Spirit will charge $5 each for one or two checked bags if the ticket was booked online and $10 each for passengers who do not book online.
To read the whole story click right here.
So does Spirit (never heard of them) reimburse you the money if they lose or damage your bag?