[AntonioXYZ]

Also, one cannot be "mindful of the breath", that is impossible. The mind be conscious or aware of the breath but the mind cannot be mindful of the breath because mindfulness is 'sati' or memory. The mind can remember to watch or be conscious of the breath but the mind cannot 'remember' the breath. In short, there is no such thing as 'mindfulness of breathing'. Such as thing is an impossiblity.
You raise a good point.

I found that when there was wrong view then "I" wanted to be mindful and lapsed into just thinking, as well as delight and frustration

In essence there was no level of sunatta

As I see it and from what I have learnt from Aj. Buddhadasa, anapansati is a progression in emptiness. The beginning of the practice with Right View is one level