This is a very strange article to me.
Do some tasks run slower today than they did in the past? Sure. Are there some that run slower without a good reason? Sure.
But the whole article just kind of complains. It never acknowledges that many things are better than they used to be. It also just glosses over the complexities and tradeoffs people have to make in the real world.
Like this:
Windows 10 takes 30 minutes to update. What could it possibly be doing for that long? That much time is enough to fully format my SSD drive, download a fresh build and install it like 5 times in a row.
I don't know what exactly is involved in Windows updates, but it's likely 1) a lot of data unpacking, 2) a lot of file patching, and 3) done in a way that hopefully won't bork your system if something goes wrong.
Sure, reinstalling is probably faster, but it's also simpler. If your doctor told you, "The cancer is likely curable. Here's the best regimen to get you there over the next year", it would be insane to say, "A YEAR!? I COULD MAKE A WHOLE NEW HUMAN IN A YEAR!" But I feel like the article is doing exactly that, over and over.