How is this The ignorance and cruelty of small town teachers is shown in the character of Mr Dobbins an example of satire?

In the narrative, Mr. Dobbins embodies the ignorance and cruelty often associated with small-town educators, serving as a satirical critique of the education system. His exaggerated flaws, such as a lack of empathy and a misguided sense of authority, illuminate the shortcomings of teachers who fail to inspire or nurture their students. This portrayal underscores the absurdity of his behavior, inviting readers to reflect on the broader implications of such attitudes in education. Ultimately, the satire highlights the need for compassionate and competent educators who genuinely care for their students' well-being.