Legitimate question for debate: how does this differ for social media vs other media? Apart from social media being more addictive, all media is pushing someone else's thoughts on you, in some way. I can imagine old folks would've made similar arguments against TV and books.
(I ask this but still 100% agree social media sucks)
Destroys our imagination and creativity. Instant satisfaction.
When we imagine things we are exploring a tree of possibilities and following the branches that give us satisfaction.