Peers treat your Kleenex box as if it is public domain. Someone else takes credit for your suggestion or idea. Your boss or cohorts do not deem it necessary to give compliments, even when your task has been above the call of duty. Knowing you have body odor and doing nothing about it. Never opening the door for someone who has his or her hands full.
Most workplace rudeness stops short of forbidden behavior.
It seems that before our society makes a declaration that these behaviors are acceptable in the workplace, we need to establish a standard of conduct, and begin by setting an example to enforce the manners. One thing is for sure, avoidance is not the solution. The best approach is always to confront the issue by expressing your concerns in terms of how it affects your work. What I observe as I conduct training programs in both public and private sectors, is that most folks need to learn new ways to communicate and interact. Learning to communicate directly with each other without doing permanent damage to the relationship is one of the first steps.