그는 앞서 KAIST 교수 2명과 GIST 교수 1명이 자녀를 제자로 두고 논문에 공저자로 함께 이름을 올렸다며 ‘연구 세습’ 또는 ‘연구 승계’라고 비판했었다.
He had previously criticized two KAIST professors and a GIST professor as "research succession" or "research hereditary succession," saying they had their children as their students and listed them as coauthors in their papers.