Psychological and physical dependency are two separate things. Alcohol addiction normally begins with psychological dependency and may or may not progress to a physical dependency too: https://goaskalice.columbia.edu/answered-questions/drinking-...
On the other hand, DT is the only form of withdrawal syndrome that can outright kill you, and alcohol is, generally speaking, one of the most dangerous drugs from which to withdraw.
Psychological and physical dependency are two separate things. Alcohol addiction normally begins with psychological dependency and may or may not progress to a physical dependency too: https://goaskalice.columbia.edu/answered-questions/drinking-...