If you don't understand the authors frustration, read Daniel Stenberg blog about what kind of requests he gets about curl. It's insane and ridiculous, not everybody is capable of/wanting to deal with all kinds of shit and hostile users like Daniel.
But he hasn't had to face any of that, and a couple different methods to avoid that happening were suggested and rejected offhand.
In this case it clearly hasn't happened to this author (yet) AND the nixos devs have put forward a selection of reasonable proposals to prevent it happening to him. All of which he has rejected without and real justification.
If you read the full thread it becomes clear that his citing fear of support burden is not made in good faith. His acts of blocking redistribution of his package in any Linux distro (here & Fedora at least) is clearly a bigger burden for him to take on than he would take on if he allowed the redistributions.
Well, you can disable the issue tracker for a project on GitHub. You're not even required to publish a project on GitHub, you can host it somewhere that doesn't offer any way to contact you.
His library was written specifically for Home Assistant and it's an internal dependency that no one usually sees. It's a 300 lines wrapper for Ambee API.
Hell, I could go make that overlay right now and link it in a nixpkgs issue for discoverability. What's this frenk person gonna do? Cut me an issue saying "pls delete this code from the internet"? Hah!
I think he also posts some of the funny ones on Twitter