Polling expert Jeong Han-wool, who heads the firm Research Institute of Korean People, first noticed the rift during the preceding administration of liberal President Moon Jae-in, who vowed to become a "feminist president."Pollster Jeong Han-wool, who participated in designing and analyzing the survey, found that anti-feminist sentiment is increasingly determining 20-something men's voting behaviors. Their view has even spread to men in their 30s and 40s.