They are much more predictable, well understood and easier to dose than the chemical cocktail of natural compounds. Please note that I am not saying that there aren’t any useful natural medicines. I am stating that it is better to isolate the active components.
I was more talking about “normal” herbal tea like lemon, camomille, mint… My go to when i’m sick is ginger/lemon herbal tea. I wasnt really talking about weird understudied herbs, that can be more of a problem than a solution for sure.