Once, I searched for a very specific thing about my laptops power throtteling behaviour and found an reddit post with an answer to it. After reading it, I saw my own username next to it :D I seemingly dug down that rabbit hole a couple of months prior.
We have very beat up VW T5s at my company and sometimes I do exactly this to practice. I have no empathy left for these, I don’t feel bad for the gearbox. It surely will be the last thing to fail on these cars.
In fact, there are vaccines against some cancer types. There’s a virus, which is responsible for almost all womb cancer cases. Here in Germany, the vaccine is free, if you’re under 20 iirc.
CPU architecture wise, you can see the difference between cluttered, old x86 and ARM or even RISC-V chips. They just run so much more efficient, as you can tell with your phone lasting a day or two, or apple silicon consuming a fraction for the same performance.
An example for the ancient backend would be the flight pathing system DAL. (Wendover video)
I can also recommend Libretube or Clipious for Android