A reader discussion on Win16 memory management highlights how the operating system's bi-modal design forced developers to navigate complex segmented addressing to maintain compatibility with older processors. Compared to OS/2 and Classic Mac OS, Windows introduced unique hurdles like globally shared DLL data and manual code segmenting to conserve limited RAM. Despite the tedium of managing these strict hardware limitations, developers recall that the overall system was much simpler to comprehend than today's complex cloud environments.