What's wrong with him opening a paper mill?

“Paper mill” usually means an academic fraud operation, not a real factory. So what’s “wrong” depends on the context:

• If you mean a research paper mill , the problem is that it produces fake or low-quality studies, sells authorship, and undermines trust in science.

• If you mean an actual paper manufacturing mill , there’s nothing inherently wrong with opening one; it’s a normal industrial business, though it can face environmental, safety, and permitting issues.

Why people react negatively

For the fraud meaning, the criticism is usually about:

• Dishonesty : fake data, plagiarism, or bought authorship.

• Harm to institutions : journals, universities, and patients can be misled by bad research.

• Reputation risk : anyone linked to it can look unethical, even if they claim ignorance.

For the manufacturing meaning, concerns are more practical:

• Pollution and waste from pulp and paper production.

• Worker safety because mills can involve chemicals and heavy machinery.

• Cost and regulation since starting a mill is a capital-heavy industrial project.

Simple read

So the short answer is: nothing is wrong with opening a real paper mill, but a “paper mill” in the academic sense is basically cheating for profit.

If you meant a specific person or post, paste the sentence and I can interpret the tone more precisely.