Who spent the time to make this? If those people spent countless hours doing it by hand, maybe they would be willing to spend an analogous resource? It seems reasonable to me if you've already invested so much and paid in time.
But yeah that's why I was asking if this was a non-code issue? Because they're presenting it as hey, we couldn't figure out the battery life in this post.
$200 mean very different things to different people.
I would never say it's "reasonable" to expect anyone (including maintainers) to contribute money or code to an open source project.
Must be easy for you to type these things from your comfortable armchair.