User blog comment:Keekian/Doflamingo not caring about his crew's lives/@comment-24769684-20161017170254

Doffy cares about his crewmates because he values them as tools. So despite their failures he will keep them around because he knows they'll improve and continue serving him. However, in the case of losing Caesar, Doffy was willing to kill some of his crewmates in order to avoid Kaido's wrath, and I'm sure his crewmates understood that.

He specifically thanked Vergo because Vergo was his first follower