Source: Lewis C. Lin’s Newsletter
Facebook Groups is experiencing the inverse of healthy network growth—existing members are more engaged, but the platform is losing its ability to birth new communities. The 18% participation lift masks a 34% collapse in group formation. This suggests either market saturation, higher friction for creators, or migration to more niche platforms like Discord and Slack. The platform may be optimizing for engagement depth at the expense of expansion, a trade-off that favors incumbent communities over new consumer movements trying to gain traction. For brands and creators, Facebook Groups is increasingly a retention tool for established audiences rather than a discovery engine for emerging ones.