I really do see where you’re coming from. The thing is, i very much see both sides. I know not having the delete has made me more careful, but accidents that could compromise someone do happen.
Your argument is that something is better than nothing, if i’m understanding you correctly, while #[3] ‘s argument is basically that he can’t make the guarantee that it would do the thing that the user would expect it to.
The flip side of it is also that the permanence also makes it less likely (in theory) for people to say things they might not otherwise say, while not allowing it to be deleted could cause someone to be harassed for something they regret.
You see why from my understanding of the discussion at hand, there doesn’t seem to be a “right” answer that doesn’t carry its own problems? It breaks down to a preference argument, of which side you want to err on.
I hope I have understood and articulated this well.