It is easy to make Linux complex as hell. Lot of man-hours is required to keep it simple. Major distributions and open-source licenses are playing major role in

It is easy to make Linux complex as hell. Lot of man-hours is required to keep it simple. Major distributions and open-source licenses are playing major role in "simple Linux". Patching, bug hunting, fixing, development of standards (including File System Hierarchy Standard — thing unique to Linux), curating of packages, refactoring — it's lot of work.