Great ideas, Dave. I think that in a "go fast" world, regardless of the capabilities of your boat speedwise (go fast or not), we tend, as a society, to exhibit a need to be the first to get there (whether we are in a car, boat, on a bicycle, heading to the door or elevator, etc.) . Simple courtesy such as altering a course, giving a friendly wave, reduce speed, make sure our wake(s) are not excessive, etc. can go a long way to making everyone's boating experience better.
Nice first step, Dave!