Oda planning? Kinda. I mean you've seen him dabble in explaining Haki, right? But I'm not sure why you're bringing it up.
That would make sense if they could reliably steal fruit from their victims, like Teach. As of now it's like they're not even telling fleet admirals what the meaning of Gomu is, though.
They can get rid of a Lucci equivalent because they have Lucci. They can get rid of Shichibukai because they have SSG. If you're not doing the job why would they keep you?
Surprisingly, yes