Earlier quoted context omitted.
I mean, you have an 8-year old computer. What did you realistically expect would happen here? For Apple to support your computer until the end of time even if you’re the only person using that model? In the tech world, 8 years is already practically a lifetime. At a certain point, it’s no longer profitable for a company to continue supporting old systems. And that rarely has to do with power and almost entirely due t…
Seems like apple themselves had a good solution to this with one model of the iMac that supported use as an secondary monitor. Imagine if every laptop / iMac supported use as a secondary monitor.
I actually use my iMac with my windows laptop for work, by plugging in a video capture device via USB and going via HDMI to the laptop, it works okay, but i'm not sure i'd want to run a shiny new Mac this way.