O.K., now I think the FSF is getting somewhere with their propaganda videos: https://www.fsf.org/blogs/community/watch-and-share-rewind-to-help-explain-free-software
The previous ones I don't think have arguments that'll reach out beyond preaching to the choir. But this one argues that we're being prevented from improving and collaborating upon our software for the sake of profit, and it does so emotionally.