Would you pay to have access to a service which tweaked the open-source software you use just enough to make it much more useful to your workflow, and automatically updated it over time? (I'm not just talking about a one-time fork; I'm talking about a subscription to get access to a maintained fork that stays current with upstream, fixes any conflicts, does the rebuild, hosts the build, etc... This justifies a cost) This incompatibility with DJI images that the Darktable devs #wontfix is a perfect example use-case.
Needless to say this would be for professional use, with professional expectations, but if your business depends on having that slightly-tweaked tool, then it may be worth it; just exploring the idea, here