I'm really impressed that so many modern computers are lasting so long and that so many people are using them. Use it up, make it do, or do without is a good policy for things that aren't mission critical
I would interpret the AC as not being sarcastic. Updating on any open source operating system has been much, much easier and much more timely than any part of windows for me, but that's just my experience. Not to say that everything is easier in linux, but updates have always been timely, and it doesn't flip out and use all my ram. Bash auto-updated before the slashdot story hit my newsfeed.
If you are referring to scientific articles, try keeping track of the digital object identifier. That is permanent, regardless of the stupid website changes. Using dx.doi.org allows you to look it up throughout the foreseeable future