There are of course many marketplaces and interfaces that are not any harder to understand or use than OpenSea, and if someone doesn't do so yet, not being able

There are of course many marketplaces and interfaces that are not any harder to understand or use than OpenSea, and if someone doesn't do so yet, not being able to use OpenSea will give them plenty of reason to learn to do so. Throughout this process, you retain possession of your token - which again, is the thing that matters.