TikTok is both the most passive and engaging of social media apps.
Its intent isn't to activate your mind but to lull you into a hypnotic state where you react -- much like visiting a windowless casino where you compliantly respond to stimuli.
"Look! Flashing lights!" says TikTok as people flick up and down -- much like gamblers at a slot machine.
https://www.thestar.com/opinion/contributors/2023/02/21/breaking-free-of-tik-toks-grasp.html