So, you are saying that God's grace doesn't extend to a struggling alcoholic who would love to be free from the addiction but doesn't know how, or whether he has even the strength?
Of course God‘s grace is available to the drunk or drug addict to be free.
The reason Jesus wants the drunk or drug addict to be free from that sinful lifestyle is, He doesn’t want them to be lost.
Now the works of the flesh are evident, which are: adultery, fornication, uncleanness, lewdness, idolatry, sorcery, hatred, contentions, jealousies, outbursts of wrath, selfish ambitions, dissensions, heresies, envy, murders, drunkenness, revelries, and the like; of which I tell you beforehand, just as I also told you in time past, that those who practice such things will not inherit the kingdom of God. Galatians 5:19-21
Do you understand what the phrase, “will not inherit the kingdom of God”, means?
JLB