That's a good point. What might be the cause of that? Lack of self-efficacy (i.e. people not being aware that they could change the situation if they wanted to)

That's a good point. What might be the cause of that? Lack of self-efficacy (i.e. people not being aware that they could change the situation if they wanted to)? Lack of discipline (i.e. being aware that they could but failing to follow through)?