meng shao questions the account-selling trend and low engagement with high impressions

In response to Shen Peng's post asking @grok to appraise his account and saying, "If it's appraised high, I'll sell my account; if it's appraised low, I'll play the pity card," meng shao wondered when this account-selling trend began and further asked why engagement is so low while impressions are so high.