I think your stats about the majority in Christendom are likely behind the times.
The vast majority of Believers now in South America, Africa and Asia are PENTECOSTAL/CHARISMATIC in beliefs, practices and theology.
By a wide margin.
And growing virtually geometrically daily.
Evidently, Holy Spirit also disagrees with you as HE IS THE ONE ADDING TO SUCH CHURCHES DAILY SUCH AS WOULD BE SAVED.