All of the config settings are there to give the user control over what they want to happen.
There aren't many, if any, that are plainly superior if they are changed from the default.
Even among the default ones, it is likely to be a guess on the desires of the typical users.
For example, even PTC changes their mind on the value of options: (per Creo 3 Datecode M010)
auto_add_remove
Creo 3: Allows Creo Parametric to automatically switch from add to remove of material for solid extrude and revolve during feature creation. Default NO
Creo 2: Allows Creo to automatically switch from add to remove of material for solid extrude and revolve during feature creation. default YES