Lilium catesbaei has been given a bad reputation because it's been nearly impossible to acquire anywhere in the world (until now!) and even expert lily growers have had poor results growing these lilies. Here's an example from B&D lilies: http://www.lilybulb.com/ls25.html
Good news is, this plant is now readily available, and we got lucky on our first try and figured it out on our first try. IF you think about growing these like Carnivorous plants (which is the key to success), they're easier to grow than a venus fly trap! Perhaps others haven't had much luck with these plants becau