Ok, aside from Android, I’ve yet to see any serious usage of SELinux in the real world and I’ve been working on cloud tech for years. Acknowledged issues such as complexity aside, it’s really just that much less relevant in a modern, single purpose environment such as Docker/kubernetes/cloud functions/etc
Who came up with this ridiculous headline?
Paper boats on a lake or river?
If you’re transferring Linux to Linux then I really wouldn’t recommend samba. Why not SFTP/Rsync? Compression, and error checking built in.