Kick Them Out
Although the crew and Kardashians are close as can be, that doesn't mean they're family. Kris can (and has!) kicked the crew out of the house many times before. She once kicked them out so she could have some intimate alone time with her boyfriend. It must have been awkward for everyone involved...
Kim K Cuts
Kim also has the authority to delete footage she feels is unfit for the show. Typically, this kind of showrunner directing doesn't show up unless Kim is unfit for the camera. If her makeup is splotchy or her hair isn't done, she'll ask to have the footage removed so she can look perfect on the show...