Their point still works though, just reword it for less unnecessary baggage if you prefer.
Do you press the button which saves some random human somewhere in the world, or the button which saves some random cow? I’m pretty sure most people choose the human
They will have some kind of pressure relief valve, to let steam out and prevent an explosion. They only become dangerous if that valve isn’t working (assuming that whatever keeps the lid on is intact and still strong).
Look for damage around the seal between the pot and the lid, and look for damage to the clamp or latch which holds the lid down against that seal.
Then look at the valve. It’ll probably be a heavy object (such as a lump of metal) which sits on top of a hole of some sort, or it could possibly be something spring loaded. Either way, check that it moves freely.
After that the only additional thing you could do is a pressure test, where you basically deliberately overpressurise it and see if it explodes, but if you had the means to do that safely then you wouldn’t be asking for advice here so I don’t recommend it.