Since you don't even think that rockdust does what I am clear it does do, you won't agree about the cluelessness. I mean that they are clueless about what I am talking about - which you appear to be backing up by sharing the link you shared that proports no value in rockdust - I and many others disagree. Even the tropical garden center I went to in Australia only recommended rockdust to feed certain types of trees. The claim that rockdust is of no value is not something I can agree with. If you think this and think that what I think is plane wrong, to the point where you say I am a snake oil salesman, despite me not even selling anything - then I'm sure you can understand how you are demonstrating the cluelessness from my POV.