> If there is a magical way to gauge character in a short amount of time then sure
This is key. Many universities that claim to do "holistic reviews" don't have the time or resources to actually do holistic reviews. University of Washington is an example. UW gives application reviewers 8 minutes per application. And who are these reviewers? Do they have the knowledge and experience to do a "holistic review" in 8 minutes, including reading essays and personal statements and so on? Nope! They hire grad students, retirees etc. to act as application reviewers [1].
This is key. Many universities that claim to do "holistic reviews" don't have the time or resources to actually do holistic reviews. University of Washington is an example. UW gives application reviewers 8 minutes per application. And who are these reviewers? Do they have the knowledge and experience to do a "holistic review" in 8 minutes, including reading essays and personal statements and so on? Nope! They hire grad students, retirees etc. to act as application reviewers [1].
[1] https://www.king5.com/article/news/local/a-look-inside-admis...