All of our individual experiences are very much our own facts. They may not be the same experiences and facts as the woman on the 49 omnibus, but they are still relevant because that's what has happened to us as individuals. We can only offer advice based on those experiences and most of us do; in good faith and with good intentions.
What is not helpful is when someone offers their experiences/facts as the only way to address a problem because their advice is sacrosanct and must be followed and you would be fool hardy to ignore them. This is usually delivered under the guise of the adviser being "qualified" to deliver their diktat and it's nearly always the same format and instructions, rarely allowing for different circumstances or situations to their own.
Best they're ignored.
Why do restaurants and takeaways close so early now?
By special request, let’s discuss our favourite Classic Music and why?



As it happened, we were living in sub-Saharan Africa while he was in the US and it wasn’t possible to make the long trip at short notice so there was nothing we could do but wait until the next year. 