Brainwash [Proven]

Brainwashing typically relies on specific psychological tactics to erode a person's current worldview and replace it with a new one:

While it is most commonly associated with coercion in cults or political regimes, contemporary usage has expanded to include "self-brainwashing" for productivity and the commercial influence of luxury brands. Core Concepts & Definitions brainwash

Using repetitive instruction or controlled environments to instill new loyalties or doctrines. brainwash