I agree. I would say that I am addicted to caffeine. I definitely get withdrawal symptoms if I don't have a coffee. But since it is so accessible and there are no health risks, it does not affect me negatively to "feed" the addiction.
Tyler Cowen has said that he doesn't drink coffee and he is worried about what it might be doing to us. There is a big unknown.
Not a great analogy. Caffeine is not as addictive as opioids. Opioids strongly stimulate the mesolimbic dopamine pathway, leading to intense euphoria, compulsive use, and severe health and social harm.