Tribal Slogans & Symbols

What kind of churches do we at Theopolis dream of? Churches like these:
....
Churches willing to give up some treasured tribal slogans and symbols for the sake of unity.

Source: Peter Leithart - Theopolis Institute blog, "Reformational Catholicism, A Wish List", 20 October 2016, https://theopolisinstitute.com/reformational-catholicism-a-wish-list/