Earlier quoted context omitted.
I realise that a lot of people have anxiety issues, but to call it abuse is just stupid. They are genuinely people looking back on their life experience and giving advice.
I wouldn't call this abuse either but there is a huge huge gulf between "that was the best time of my life" and "this is the best time of your life. It's at best just extremely rude to tell someone about their own life and how they should feel about it.
I have to disagree. My grandparents often have great perspectives on life situations that they readily share when relevant to the people around them. No one sees it as rude, and if they do, it’s usually because the advice hits a little too close to home. Like “when I went through my divorce…”