They don't directly tickle the reward center of the brain like social media does, cf. e.g. "Brain anatomy alterations associated with Social Networking Site (SNS) addiction" [0].
This is by design, btw, cf. e.g. "Digital Madness: How Social Media Is Driving Our Mental Health Crisis--and How to Restore Our Sanity " [1]; not itself a primary source but it seems to be well received.
My point being, it's like cigarettes with a message. The message being divisive in all likelihood, in order to override rationality with emotion and increase engagement. [2]
This is by design, btw, cf. e.g. "Digital Madness: How Social Media Is Driving Our Mental Health Crisis--and How to Restore Our Sanity " [1]; not itself a primary source but it seems to be well received.
My point being, it's like cigarettes with a message. The message being divisive in all likelihood, in order to override rationality with emotion and increase engagement. [2]
[0] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5362930/
[1] https://www.amazon.com/Digital-Madness-Driving-Crisis-Restor...
[2] How social media shapes polarization: https://drive.google.com/file/d/1cHDXsRpzZ84svIv5L-7tfnOvJ-p...