It’s not their main concern. They are busy manufacturing very technical products, designing new models and passing them through demanding certification tests in a market where competition is fierce!
Moreover, if a used paraglider flies less well, the pilot will be encouraged to buy another one more quickly, which is good enough for the business!!!
Planned obsolescence ?
Far be it from me to say that it’s planned obsolescence, but it still looks a bit like a slowing down computer or smartphone…