"Point deer, make horse." It's a simple compliance test. Those that comply do not think for themselves and can be counted on to reliably do *whatever* they are ordered to do. To *anyone*. Those that think for themselves and don't comply are not reliable, might question unlawful orders, and must be purged. https://laowai-dawei.com/calling-a-deer-a-horse-%E6%8C%87%E9%B9%BF%E4%B8%BA%E9%A9%AC/