Indeed, people usually contribute to FOSS by supporting the authors group or nonprofit directly, and contributing features and bug reports/fixes.
However, from a maintainability standpoint it is important that a project solves their own needs first. The "eat your own dog food" advice is important, or groups end up fragmenting a project into every pet use-case.
You are trying to establish that the financial meaning of free software is the primary meaning, while the freedom aspect has been the primary meaning. You would do better to change your focus to searching for false claims of "no-cost" software or something rather than trying to undermine an established meaning that is already understood and widespread.
Free software, libre software, libreware sometimes known as freedom-respecting software is computer software distributed under terms that allow users to run the software for any purpose as well as to study, change, distribute it and any adapted versions.
Looks like this is MIT licensed https://github.com/nrkno/Sofie-TV-automation