Somewhere on the forum I read about it's use and because I simply didn't know, I asked. It made sense to me that you would want a stronger top link attachment point for implements that would be suspended rather than ground engaging. Now I know that I need not worry about it. I do have a John Deere auger that thought might benefit from it but I probably won't worry about that now.
I think you hit the nail on the head when you said "when these tractor were being used full time, this topic would never have been mentioned". If we were all using them full time we would probably have all the original attachments which came with each implement. As we are now getting tractors and implements from all over and in varying states of repair, often missing parts and documentation, we have to make a best guess based on what seems to make sense to us.
I am not sure who brought it up originally but I read it somewhere which got me thinking about it whic is what prompted me to post my question.
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