> What this kind of work suggests is an attitude of, "My problems are so [explitive] huge that you can't possibly understand so don't even bother trying to help me".

I had a similar reaction to these comics, though I think you captured my objection better.

> Personally I've benefited immensely from exactly this kind of unsolicited advice, especially at a younger age, and it really did help me

I suspect that this might be a factor of how apt the advice is to the exact moment, and how skillfully it is delivered.