Almost 100% of people who increase their consumption of cucumbers during common cold feel significantly better after two weeks. Maybe cucumbers work for depression too. You should check them out.
Posting low quality anecdata on drugs is disrespectful for the time of people who can validate the data quality, and outright dangerous for the people who can not.
What part of these two claims you find doubtful exactly?
Respect part is about wasting people's time (if knowingly).
The danger part is the same as with any other misleading information, which can lead people to consume damaging amounts of dangerous substances for now good reason (at least not better than just eating cucumbers instead).