And the fact that `adb sideload` is where the concept originated does nothing to dispel the way the term is frequently used in a derogatory fashion these days. It's wielded as a bogey man to make people afraid of unsigned applications. Despite the fact that many perfectly signed applications are full of malware and dark patterns.
Also, FFS, this is hacker news. Why on Earth would be arguing in favor of Google locking down how I can install software on my device.