You really have to continuously look your back and double-check anything.
And you have relatives, especially older ones, that want to buy and use all the new shiny things, and often don't understand that the tech we use today is not like the tech they used to buy 50 years ago.
50 years ago you bought a piece of technology, you paid it, you brought it into your house and it made your life easier, and that was it.
Nowadays you buy a piece of technology, it's going to spy you, the producer is going to alter its behavior via software updates, it's often going to refuse to work without a subscription and recurring payments, it's going to just stop working prematurely when the producer decides that you have to upgrade, and it's going to conviniently allow the government (or a foreign government) to take a look into your private life.
And it's so painful to see big tech companies wash this in shiny and colorful commercials.
Stallman had seen this before anyone else, he was right all along.