Why MUET Subject (Form 6) is Computed into Average SGP?

The school user is required to select the option on ‘Not Include in total Marks/GPA’ under Exam Parameter Setup ~ > Subject/Paper Exam Setting ~ > MUET (Malaysian University English Test) Paper Exam Setup, when the applicable subject were not included/counted on the total marks/SGP.

Attached is the sample print screen for MUET Subject Exam Setting:-