> The most important of which is that software, just like physical products, needs maintenance. The world is constantly changing and evolving, and software has to keep up otherwise it'll become obsolete within couple of years. At the very least it must be patched up with newly discovered security threats.
I feel this is largely being overstated point, or rather that in reality majority of important patches for software is due shoddy quality of it originally rather than external changes. Most security issues are rehashes of common well-known attacks rather than completely novel discoveries. Especially on desktop the platform churn is pretty low, windows happily runs like decades old binaries, and on Linux desktop we have this one major breakage happening that is Wayland but otherwise well-written decades old code is at least source compatible if not binary compatible (although even that is not that far-fetched...).
I feel this is largely being overstated point, or rather that in reality majority of important patches for software is due shoddy quality of it originally rather than external changes. Most security issues are rehashes of common well-known attacks rather than completely novel discoveries. Especially on desktop the platform churn is pretty low, windows happily runs like decades old binaries, and on Linux desktop we have this one major breakage happening that is Wayland but otherwise well-written decades old code is at least source compatible if not binary compatible (although even that is not that far-fetched...).