Shared ground
Proverbs 9:7–9 presents two contrasting “types” of people and their typical reactions to being corrected. The text’s explicit claims are about what usually happens: correcting a mocker/scoffer tends to bring insult and hatred back on the corrector, while correcting a wise person tends to produce appreciation and growth (vv. 7–9).
The passage also assumes that correction and instruction are normal parts of moral formation. “Wise” and “righteous” are shown not as people who are beyond critique, but as people who remain teachable; instruction increases their wisdom and learning (v. 9).
Where interpretation differs
One live question is whether the warning “Don’t reprove a scoffer” is meant as an absolute rule or a general rule of thumb. Some read it as a near-total prohibition because the scoffer is portrayed as hardened and the outcome is predictably harmful. Others read it as typical wisdom guidance: often avoid this kind of confrontation because it is likely to fail and cause backlash, but other passages can still justify correction in certain settings.
Another question is how to identify the categories. Some take “scoffer/wicked” as a settled posture that rejects moral reality, while “simple” (elsewhere in the chapter) is inexperienced and still reachable. Others treat the labels more flexibly as describing how someone is acting in a given moment.
Why the disagreement exists
Proverbs regularly states patterns (“this is what tends to happen”) rather than guaranteeing outcomes in every case. That genre feature creates a real question about how strongly to apply “don’t reprove” in v. 8. Also, the vocabulary (“love”/“hate”) can point to inner attitude, public stance, or loyalty in relationships, which affects how readers imagine the social situation.
What this passage clearly contributes
It clarifies a moral logic: responses to correction reveal character. The scoffer’s reaction is hostility that turns correction into social cost for the corrector (vv. 7–8). The wise/righteous response is teachability that treats correction as gain and deepens wisdom (v. 9). Within Proverbs 9, this contrast helps explain why Wisdom’s invitation is not received uniformly and prepares for the chapter’s emphasis that true wisdom is tied to a posture toward God (see Proverbs 9:10).