Discussion I’ve seen on the subject on Hacker News tends to veer towards MIT being the only license allowed for use in many orgs (with exceptions of course) because license compliance is hard to manage when you’re using a lot of open source and you’re a small org. So many developers release their code with MIT licenses so it gets used more and looks better on the portfolio.

While I can see their perspective I personally agree with your take and would love to see more GPLv3 adoption and fewer stupidly permissive licenses. There’s tooling out there to help with the license compliance challenges, if enough developers moved away from MIT licenses then companies will be forced to deal with it.

Most of such scanning would typically happen at the time of upload before it gets encrypted.

You got a lot of distro recommendations from across the spectrum and it’s honestly hard to go wrong with any of them. It’s mostly a matter of preference. As such I’ll give you two pieces of advice:

1. Set up a multi-boot flash drive (assuming you’re currently using Windows, YUMI is a great utility) so that your can try a bunch of them and see what jives with you most. A great feature of Linux installers is that you can actually run the entire OS, full-featured, from the ISO. So grab a whole slew of them, throw them on the flash drive, and spend some time taking them for a spin.
2. Do your research on compatibility. Laptop makers often don’t make Linux drivers, so the latest hardware has compatibility problems until the community covers the gap. There are also some laptop manufacturers that have Linux in mind when they make their products, like System 76 and Framework.

Good luck! IMO getting into Linux for the first time is a fun journey. Enjoy it!