Because past a certain point, they're actually harmful and often get reinforced due to the nature of psychology.
It can help you understand the parental triangle but in order to be 'secure' and actually have successful connections with these different attachment styles, you have to go beyond the MIND, and all the psychology jargon is geared toward endless mental masturbation if you don't take what's useful and jump off the train.
Anybody watching The Bear, Carmy is a really good example of a disorganized attachment style.
When he and his brother speak on their father, he was clearly an a$$hole.
Their mother is volatile one minute, loving the next.
Chaos and neglect is what he's known his whole life, what he's comfortable with so as soon as he feels real genuine love and peace, he runs away to the comfort of chaos and neglect. If it wasn't his profession it would be a "toxic" woman he'd run to.