I understand why the forum stars out other drugs, It involves harm reduction from bad reporting, and I believe it's the best way to remain neutral in topics pertaining to substances other kava. Look at other forums like b l u e l i g h t. It seems like the threads are constantly on the verge of a fight, or the thread becoming derailed due to battling egos. While there is lots of amazing info on those forums pertaining to harm reduction, and they have their niche on the internet, the vibe on this forum is extremely welcoming and chill. I feel this is a testament of the impact that kava has on our lives, and staying on topic in the forum. Personally I feel that vibe may be negatively affected if the forum didn't moderate in this circumstance.
Also I believe members are welcome to talk of these substances in the addiction and recovery section, right? That's why it's a section that visitors are unable to see, only members. So it doesn't pop up in search engines.