That's part of the deal, not all of us sell the baits. If you are pouring for your own, then POP is a great way to use all kinds of baits and copy and make the colors in a specific bait that you want. I have POP molds of baits I have copied because I couldn't find the right color in the store anymore, plus I can make a ton of them!
I do inject and have several CNC molds, but still have several POP molds that I really like. It's not about making money to all of us. Like others have said, if it starts to be work, I won't enjoy it anymore.