Social Media and 24-hour Cable News were designed for addictive effect. it's all based on fear. Fear of missing out mainly. The monkey brain wants constant reassurance.
Then, to be assaulted with ads while consuming these "information sources" on top of the crap. It's designed to sell you things you don't really need or want, and if your mental health suffers as a result, well, neither the producers or the advertisers give a shit.