That's a way to put it. Mostly keeping a sense of discipline; if you let them get away with having their way, then they'll naturally continue to do so, where if you make it clear what you want, they're less likely to try pushing you around or such.

*...not that even he always succeeds at this; he's a bit prone to spoiling some of his a bit at times.....*

And I'm not really certain; I couldn't tell you if being a ghost type necessarily means they tend toward such behavior, or if it's coincidentally common to ghosts, but it seems typical of the type.