The author, a former data scientist, shares their personal experience of transitioning to a data engineer role and finding it more fulfilling. They express frustration with the data science field, citing issues such as poor management, low-value work, and a lack of understanding of good and bad data science practices. The author also criticizes the tendency for data scientists to prioritize superficial knowledge over practical skills. They find data engineering to be a more autonomous and valuable field, with a focus on building and maintaining data pipelines.