Probably because taxpayers don't want to pay people to shoot fish.
An easy solution would be to allow commercial sale of lionfish by anyone and not require an Saltwater Products license (in Florida). I don't know what the demand for lionfish meat is, but commercializing it more would help.
An easy solution would be to allow commercial sale of lionfish by anyone and not require an Saltwater Products license (in Florida). I don't know what the demand for lionfish meat is, but commercializing it more would help.