You raise some good questions and there are many sides to take on them. I think it would be difficult to have just one pat answer because every river has different local people using them and each river runs through areas in which the local people are all different and were all raised differently and so each area would require a different way to handle the situation. I moved to Tennessee 24 years ago from Ohio and I promised myself and my wife that I would change the way I react to others who have upset me. I plan to keep that promise. When I lived in Ohio the only way to handle the situation you were in was to put the rods down and "may the best person" win. I refuse to let someone get me so upset that we start name calling and seeing who can out shout the other one. If I get that upset with someone, I would just rather smack the hell out of them and go on. That was how I would have handled that situation when in Ohio. Now here in Tennessee, I would just glare at them so that they would know that I was upset with what they did, and I think they know what did, and then I would either wade back to the bank and sit down and light my pipe and let them do their thing or I would move on to another spot. Most of the time that sort of person will not stay long at any spot and will move on plus they usually do not catch any fish anyway. If I decide that I must "get even", I will wait for them to move on and then fish as hard as I can so that they can watch me catch the fish they could not! I do not fish close to the access points because that is where you will find these problem people. I will either go up or down stream where I can enjoy the peace and quiet which is why I fly fish. I have not run into that many rude people on the rivers that I fish. Most are very good people. I try to set the example when I fish by asking someone I come up on if they would mind if I go around them and fish further down the river below them and most of the time that will get the response that you are looking for. I find that most of the "catch and release" fisherman are very good people and no problem. I find that the few who are trying to fill their 5 gallon buckets, their cooler, their stringer or culling out the small fish are the ones that I stay away from. They are usually beyond reasoning with mentally and will be looking for "fight" of some sort. When the "catch and kill" move within eye sight of me, I have to move on because I just cannot stand to watch people kill trout. That is just me and I will let something like that ruin my day on the river so I move on. I am sorry that this is so long. I guess my advise would be to either sit on the bank and wait for them to leave or just move on to another spot. Life is just too short to waste any of it trying to reason with someone who is too thick headed and selfish to understand common courtesy.
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Warren
Warren
Fly fishing and fly tying are two things that I do, and when I am doing them, they are the only 2 things I think about. They clear my mind.