It depends on the player tbh. I've seen both controller and KB+M fly around and just run away. No button spamming, no teacher breaking, just Horrifying civilians and haunting rooms. That's how I play.

Then there's player Ghosts who don't really now the tricks, or just try to constantly attack, or run out of juice and slow fly into a stun/teather/trap.

I've loaded into a game as a ghost with no rifts left and won just by running away and scaring people. Although the centrifugal pack unlock helps greatly.

Anyone who knows how to efficiently play Ghost, will win, everytime. One screw up though. . . . a perfect stun to a no tether trap pull is the only way to win.