Ethical and moral question...

A few weeks ago, Thomas Jenkins uploaded his Anakin's podracer to Instagram, and I thought it was a great MOC. Many people have asked him if he's going to make instructions, and he replied that he isn't. I offered to edit them for him, but I didn't get a response. Nevertheless, I reverse-engineered the MOC to have it in my collection. And now I ask you (since it's not my original MOC): do you think I should share the instructions or keep them for myself? PD: For now, I've only copied the...