I think you know exactly what to make of it.
But what if the thing we do is good?
Addicted to eating vegetables, addicted to healthy living, etc.
If a developer is using AI for example and they spend a lot of time doing it, and they're feeling fulfilled and happy, then that's fine.
And that's what it has to come down to: does it have a net benefit or net detriment?
"Does my use of AI lead me to neglect my personal hygiene, nutritional needs, or physical health?"
(compare with: "Does my eating of vegetables lead me to neglect my personal hygiene, nutritional needs, or physical health?")
"Have my digital behaviors jeopardized my studies, finances, or career?"
(compare with: "Have my healthy living behaviors jeopardized my studies, finances, or career?")
All questions are about negative impact on your life. To me it doesn't matter whether you label it "addiction". If you answer yes to most of these questions, whatever the subject, it is severely affecting your life.
I have met people who are so deep into healthy living that it becomes unhealthy, and their hyper focus on what is healthy - often, these days, fed by TikTok influencers, but when I was younger, fed just as much by books - leads to obsessing over what they can eat to the point of malnourishment.
So the answer to this question very much can be "yes". Humans can get addicted to all kinds of things. Healthy eating is only a few steps away from an eating disorder, in the same way that going out for drinks with friends is only a few steps away from alcoholism. Most people will never take those few steps, but for those who do, it can become a serious problem.
Doing anything "too much" is bad for you.