This is true.
The thought of getting rid of them has crossed my mind numerous times. I have no need for them, at all. otoh, I don't know how to get rid of them legally and safely, so I keep them stowed away in a safe place for mostly sentimental reasons.
On the topic of "at the ready for defense", self defense, home defense etc there is no other way to couch that discussion. One is defending against the fear of something.
There are other utilitarian reasons to have a gun, if it's part of a job (i.e. law enforcement) or for hunting (just to name a couple examples). I have several guns and most were purchased for hunting. I used to go hunting with my dad and uncles. I haven't been hunting in over 40 years. They're old, probably worthless and too much trouble to unload on someone else (pun intended).
I inherited the Glock from my late father, the other handgun was an impulse buy at the gun show. I don't need nor even want either of them, then nor now.
If and when the time comes, I will do so.
I don't quite understand your point. I don't want to be held liable for my grandson hurting himself or another - nor do I want him in that situation either, he's far too young to have his life ruined in that manner.