Showing off one’s possessions and supposed attainments This practice, too, "originates with the world" and needs to be abandoned by those who become servants of God. (1 John 2:16) It is rooted in pride, and instead of building up others spiritually, it dangles material enticements and visions of worldly achievement before them.—Rom. 15:2.
Actually when you think about it, I see their resoning from their point of view. Plus the fact they feel their buildings will be used on the "other side" whearas publishers homes and cars will fall in the big cracks in the Ground.