Why is "Affective piety" trending?

Wikipedia Overview

Affective piety is most commonly described as a style of highly emotional devotion to the humanity of Jesus, particularly in his infancy and his death, and to the joys and sorrows of the Virgin Mary. It was a major influence on many varieties of devotional literature in late-medieval Europe, both in Latin and in the vernaculars. This practice of prayer, reading, and meditation was often cultivated through visualization and concentration on vivid images of scenes from the Bible, Saints' Lives, Virgin Mary, Christ and religious symbols, feeling from the result. These images could be either conjured up in people's minds when they read or heard poetry and other pieces of religious literature, or they could gaze on manuscript illuminations and other pieces of art as they prayed and meditated on the scenes depicted. In either case, this style of affective meditation asked the "viewer" to engage with the scene as if she or he were physically present and to stir up feelings of love, fear, grief, and/or repentance for sin.