Yes, I don't disagree with that, but as I outlined in my article, many parents don't understand each others lived experience. And the insidious comments non-parents receive in a condescending manner of "you wouldn't understand" is viewed on as a one way street, because in the same vein parents don't understand those who are childfree by choice and the stigma, pressure and exclusion they experience, nor do they understand the grief and devastation the childless feel. So ultimately no one understands each other. Yet there is no acknowledgement that non-parents aren't understood by parents. There's an assumption that because they once weren't parents, they understand what it is like not to be a parent. This is the fallacy. They understand what life was like for them before children. But they don't know what it is like to be intentionally childfree or unintentionally childless.

It's not even about unsolicited advice here. This is often said irrespective of advice. As I outlined in my piece.