All of these packaging systems have plenty of tutorials. Speaking from experience, many maintainers were not developers when they started maintaining packages for distros other than the official distros. I have worked with several maintainers who do work in tech and know socially several who had no background. This could be a great place for you to start!
You bother because FOSS is as much paying it forward as it is getting shit for free.
I wasn’t aware Silk Road was taken down via FISA. I’ve read all of the long form accounts of it that I’m aware of and I don’t remember FISA being mentioned at all. Can you share a source?