Definitely overkill on the tutorials.
Several innacuratte items there.
BTW, I started at this c&b and ml game about 45 years ago. Shot in many championship matches.
Briefly, whatever works for you (within bounds of safety) is what is best to use. e.g. "limp felt" nothing wrong with it.
As for never use petroleum grease for over-ball, many of the champions at Friendship use water pump grease.