Meh, I'm courteous and watching for people as I said above. There is no problem. I found that for many people this concept makes them feel uncomfortable, and

Meh, I'm courteous and watching for people as I said above. There is no problem. I found that for many people this concept makes them feel uncomfortable, and that they then explain that discomfort by appealing to rules. I remain unmoved. IMHO we need less rules, not more.