Why do scholars avoid reconstructing one original Finno-Ugric religion?

Scholars generally agree that attempting to reconstruct a single "original" Finno-Ugric religion is virtually impossible. This consensus arises from several key factors:1

• Geographic and Historical Distance: The various Finno-Ugric peoples are separated by vast distances and distinct historical experiences, making it impossible to apply a single formula to their diverse cultures and religious traditions.1
• Ecological Adaptation: Religious practices have been heavily shaped by local habitats, ranging from Arctic hunting and fishing cultures to southern agrarian and cattle-breeding societies. These ecological factors have led to significant variations in religious life across different regions.213
• Intercultural Influences: The original religious traditions have been subjected to centuries of pressure from alien cultures, including Slavic, Turko-Tatar, and Islamic influences, as well as the institutionalized spread of Christianity.23

Rather than seeking a common historical origin, modern scholars often prefer a religio-phenomenological approach, which focuses on analyzing the spectrum of religious forms and the ways these traditions have adapted to new conditions through oral tradition and syncretism.13