Author took his time to get this into F-Droid in the first place and references the F-Droid link on their repo, what is so zealous about creating the issue to make sure it stays there?
Why the entitlement to have the project do the work for you?
Because I for example consider a good tone at least giving upstream a heads up before forking and cutting out pieces of it.
There's nothing entitled about creating an issue on a public issue tracker that author can disable or limit at any time.