My theory is that, just like with omitting a final comma in a list when not essential for meaning, publishers are trying to save paper and ink or pixels on-screen.
BILL WALSH
These are all negative manifestations of ego, and if you are not alert to them, you get diverted and your work becomes diffused. Ego in these cases makes people insensitive to how they work with others and it ends up interfering with the real goal of any group efforts.
