Decky itself is fine, some plugins are buggy. If you install it and Junk-Store, you should be fine with no problems. I run like a dozen plugins and I only ever had problems with the UI customization ones: css, and animation changer. I uninstalled those and it's all passive now.
I've only had problems with one game from Epic. The rest worked just fine with no tweaks
All it would take is supplementing hormones at several points in development so that it develops its gonads and mind the other way.