One of the more obnoxious things is how biases are buried into things like personal essays and extracurriculars. They're so subjective that it lets evaluators sneak bias into their decisions.

The Harvard undergraduate admissions lawsuit a year ago or two provides an example. Asian applicants were consistently ranked to have inferior personalities to white people, even with otherwise identical applications. There's no particular reason to think Asians are inferior to white people, and Harvard is really just promoting racist ideologies that say that Asians are mindless automatons who might be technically proficient but lack the creative, human impulses that would make them suitable for social roles higher than servitude.