You are absolutely right! On one hand, this is a good thing! On the other, well, if you don’t know what you are doing you can certainly cause more harm than good!
On the good side of it, these instruments are relatively accessible to start a self meditation practice. This is helpful in finding self empowerment for yourself and creating that time to learn to self regulation.
On the other hand, I still recommend that there is some training for the beginner. You may have immense detox symptoms and need to be able to know what these are and how to prep your nervous system to handle the vibration.
There’s no governing body for Sound Healing to maintain standards of best practices and ethics. There are many programs, classes, workshops, and “Certification Programs” popping up all over the place without any real validity, extended knowledge in the practice of health, coaching, or trauma. And good intentions are really only that. Good intentions. If you do not have extensive training you really don’t know what responsibility you really have as someone facilitating this work.