Some related Github issues.

https://github.com/devlooped/SponsorLink/issues/9

https://github.com/devlooped/SponsorLink/issues/13

https://github.com/devlooped/SponsorLink/issues/16

And the original blog post.

https://www.cazzulino.com/sponsorlink.html

His opinions make me feel a bit worse that I went for Moq for work-related projects.