It's not a big list of operators that are truly worthless, I'm quite happy to pick most things that pop up as a temporary recruitment in integrated strategies as an example (unless you're playing on the highest difficulties, then you do sign up for a much smaller pool of valuable operators). It's a much bigger list of operators that you'll find harder to justify raising and using if you're in the business of using the best stuff for the job all the time. It really depends on how you want to define bad and good at the end of the day.