indifferentism

noun
  1. the belief or attitude that differences in religion, politics, or other matters are unimportant or that all views are equally valid
  2. Usage: often used critically to describe apathy toward important distinctions; common in philosophical and religious contexts
  3. a philosophical or theological position holding that no single religion or doctrine is objectively superior to others
  4. Usage: formal or academic usage; historically associated with 18th-century Enlightenment thought

Examples