A common misinterpretation of Hebrews 7:28 is to view the law's appointment of weak high priests as evidence that the entire Old Testament system was flawed or ineffective for salvation, ignoring that it served as a shadow pointing to Christ and that faithful believers under it were justified by faith; another error is assuming this negates the role of human clergy today, when the passage specifically contrasts Aaronic priests with Jesus' unique Melchizedekian priesthood, not modern pastoral roles.
Hebrews 7:28
King James Version (1769)
28 For the law maketh men high priests which have infirmity; but the word of the oath, which was since the law, maketh the Son, who is consecrated for evermore.
Hebrews 7:28 highlights the superiority of Christ's eternal priesthood over the temporary Levitical one, explaining that the law appointed imperfect human high priests prone to weakness, while God's oath established the Son as the perfect, consecrated high priest forever, ensuring an unchangeable and flawless mediation between God and humanity under the new covenant.