 They acknowledge ATTACh's historical links with catharsis, provocation of rage, and intense confrontation, among other overtly coercive techniques (and indeed continue to offer for sale books by controversial proponents) but state that the organization has evolved significantly away from earlier positions.They state that their recent evolution is due to a number of factors including tragic events resulting from such techniques, an influx of members practicing other techniques such as attunement and a "fundamental shift ... away from viewing these children as driven by a conscious need for control toward an understanding that their often controlling and aggressive behaviors are automatic, learned defensive responses to profoundly overwhelming experiences of fear and terror.