Not to worry
Hi Joe,
This is a non-issue. It is true, demonstrably so, that compression at a certain level is not a friend to Spectra; that's why knots weaken it so much. But the kind of compression you might get from service and seizings is an order of magnitude or so down the scale. If that kind of compression were a problem, then even putting a braided cover on the stuff would weaken it.
To put it another way, think about the highest compression that the rope is likely to see in a rig: the spreader tips. Here a very short surface area, slightly radiused, doesn't damage the rope. Compare that kind of loading with the teensy deflection caused by someone standing on a ratlines.
Fair leads,
Brion Toss
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