>Are so much people in programming implementing middleware / wrapping existing API all day that it gives them a feeling of liberation to be able to delegate those tasks ?
Yes. A lot of jobs are providing the glue between other pieces like this and not inventing new algorithms and such.
Perhaps this is why there is such a divide in sincere opinions about AI.
Which does indicate that even if AI becomes good at coding, we will still need humans to glue all the AI stuff together.