This is why many hiring managers these days have a covert policy to never hire any of these people, they can absolutely ruin a team, become a management nightma

This is why many hiring managers these days have a covert policy to never hire any of these people, they can absolutely ruin a team, become a management nightmare and have a high chance of causing reputational damage. Even though in larger companies there is often a diversity drive to increase their number. It's just not worth the risk of hiring from this cohort.