You're an extreme outlier, like one in a million.
Were you always like this or did you become this way?
Am I an outlier? I think probably most people could focus on a red triangle for 10 minutes or something, if they wanted to, to "prove" that they had free will.
Changing major habits is much harder, I would agree, but it's just something you have to work at & study. Nobody will change if they aren't motivated to do so. I don't think that really is a free will issue.
I don't think that study shows that we don't control our own actions. Certainly 99%+ of our actions on a daily basis are instinctual/unconscious, but my unconscious is something that I consciously shape and develop over time. Nobody has perfect agency in a particular moment; your immediate choices are the outcome of the agency you exercised over the past months and years. You still have the free will to change, it just takes time.