I have aphantasia. I could find or invent reasons as to why I think it's useful or advantageous but ultimately I don't know to what extent I'm handicapped (or not handicapped) by not having an imagination.
I've read books on visualization and the author mentioned a lot of his pupils having difficulty visualizing. Because they thought they had to really see something in their mind's eye.
When he turned the focus onto sense of touch, everyone became much more successful.