There’s actually a manufacturing defect on the sidestick. It doesn’t have anything to do with wear, but it’s just manufacturing defect that made the rudder to be twitchy. I solved it by following this guide. Once I done it, the twitchiness is gone and it’s a lot more comfortable to use it. In terms of wear, it should be fine. Unless you’re planning to get a rudder pedal later on, when that happens you can unbind the rudder from the twist axis, and just lock the twist using the switch behind the sidestick so it can be locked in place:
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