Not everyone's social media experience is the same.
The author was participating in the noise, stuck in the culture of substance abuse.
Their experience is that this is the only experience.
To the most casual observer this is clearly untrue.
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Anyone paying attention to the science on social media is aware there are people stuck in this cycle.
It's cool that this person woke to it but there is nothing larger here and there is no indication their habits are going to change longer term. They are determined to continue to participate in something they admit harms them.