Or they've used it so much that they no longer have to think about stepping around Nix's UX quirks. Once the habit is automatic a lot of the UX difficulties that can be striking at first become invisible, or at least forgettable.
The value needed by Nix is not more/better tech but an on-ramp for people who want to use Nix without learning all about all the various ways to do thing. Just having a single, opinionated onboarding experience will add a ton of value to the project.