Good constructive feedback helps us all get forward when it's directly given to the right people, although sometimes feedback might be of more indirect and anecdotal type. Unhelpful initiatives are unlikely to garner attention or support.
None. Only usual carefulness is asked.
Teacher Needed (learning is too difficult without teacher's detailed assistance or supervision)
The Great Work (internal arts are difficult and life's challenges range from temptations to harmless diversions, but it's important to persist in everything correct)
Hold on to Your Wallet (scam or abuse alert: the teacher and the teachings are suspect)
Discussion premise:Comparative study (e.g. formal cultivation methods across different traditions, generic Qigong training principles, folk traditions, etc.)