Actively causing harm is telling people things that are demonstrably untrue that will affect how successful they are in improving their health and wellbeing and using your mental illnesses as proof of your authority instead of decades of academic research as well as the decades of practice of different communities all using the exact same methods you claim to be false.
At a certain point, you have to accept that you have no idea what you're talking about, and it's the height of arrogance to assume that you know something with a higher amount of quality evidence than the mountains of evidence that disprove your claims about how things work and your naive and arrogant claims of expertise.