Why do artists enjoy drawing? Why draw as opposed to doing something else? If artistry is conducted with SiTe energy (and SiFe) then how is artistry better than taking the NiFe route?
NiFe, exerted, is emotional response to meaning which sets the course of whatever is around it. SiTe exerted is work which facilitates the exchange of aid. (or creates a sensory impression). If you don't piss people off, then they won't be set on paths apart from you and you won't have to work to get their assistance. Keeping your cool saves you work later.
Drawing is primarily a +Ti affair. Positioning things offers one emotional release. It's just how we work. Certainly the position one takes (body language) infers an emotion held, even one which we are trying to supress. It just so happens that those positions convey a sense of spacing, which in turn conveys imagery because we imagine the positions to be working together.
Expressing your emotion through the medium of art is an alternative to expressing emotion directly, which in turn could put you on a path contravailant to those around you. That divergence of paths could drive a wedge which prevents the receipt of assistance. For example, the nation which prepares for war should not expect assistance from the allies of the nation it expects to fight.
Do we have a proof of dual-type theory? Not yet, but getting closer.