Coming for the poison dart frog hobby, I can totally agree with you. There are some animals that just don't need to be in captivity. As a kid, I remember a petshop I hung out at that had pill millipedes and Dendrobates leemanhi ordered every week. Both species always died rapidly, forcing the petshop to give refunds or replacments for them all. Eventually, they simply stopped carrying both species because the store owner did not feel right about that many animals dying. You don't hear about the millipedes all that often, but the frog mentioned is in fact critically endangered because of the pet trade. All animals need to be throughly researched before being sold as a pet.