To be clear. The problem with an eye splice directly to the pin is the lack of sufficient bending radious the pin provides. There needs to be a larger eye here. The option is a thimble or a terminator. The problem I have with using a thimble is the low contact area between the thimble and the pin, which leaves a terminator as the prefered way to handle this.
Knots are never acceptable for dyneema, and Dux is even worse. Because it is so slippery it has very poor knot holding characteristics. Particularly in standing rigging the only acceptable method is splicing.
As I mentioned I don't like the thimble-pin connection. But I am currently using it on my trimaran. I consider it poor practice, but acceptable for a day sailor where I can regularly inspect the thimble for wear and deformation. For a cruiser I wouldn't consider it acceptable.
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