Bad upbringing causes addictions. Addicts have underlying mental illness. There is an addictive personality. Addicts are immature. Addictions are caused by emotional developmental trauma that must be identified and overcome.
Addicts are bad people.
Addicts have bad character and character defects. You can't trust an addict. Once an addict, always a scumbag. Addicts are irresponsible. Addicts are lazy.