MentalFloss
macrumors 65816
so if im understanding your post, the wiring in your house must be at least 25 years old if it never went out to be upgraded, changed or anything of that sort.
First: I have not lived in my current house for 25 years.
Second: I live in a country where the wiring in houses usually does not have to be upgraded, changed or anything of that sort for decades. I don't know what is happening with the wiring where you live, but we have had 230V/50Hz for as long as most people remember, so there has been very little need to "upgrade" anything.
Third: If such an upgrade had to be done, it would be announced beforehand, so I don't need a UPS to protect myself against sudden unannounced wiring upgrades.
I used to live in the US for a few years, and I had power outages every couple of months there, so people had a UPS. Here, I don't have that problem, so I will not buy a Macbook Pro just to enjoy the advantage of having power when someone decides to secretly upgrade the wiring in my house for no reason whatsoever.