Louis Rossmann could sue John Deere for GPL violation [video]
He can't since he is not the copyright owner of the GPL software. Additionally, he misunderstands what a lawsuit over GPL infringement does. You can not be forced to give out code.I don't even understand what they are expecting to get. I don't see how being sent a link to https://www.gnu.org/software/bash or similar for the various software that may be installed suddenly makes your life better even though you can just google for it.