Using the filtered attribute to only pass though/inherit what's needed.
Written in response to one of @wowgetoffyourcellphone's problems with his Delenda Est mod : https://wildfiregames.com/forum/index.php?/topic/21573-ugh-okay-help/&do=findComment&comment=332268, problem no. 1.
New solution: Make all parts of the Player component optional so player_gaia doesn't need them to be set.