The problem isn’t even the hard drives, it’s how they are managing them. There’s not many digital data storage solutions around that you can dump into a closet for a few decades and then still read.
You have to regularly test your hard drives, so that when one fails you can take your other copy of the data and put it on a new drive.
Pi Hole couldn’t block YouTube ads last time I tried it, which is one of the main things I want to have adblock for. So I went back to ublock origin.