Tyler Brickley’s Kindness Mob directs about 500,000 TikTok followers to leave supportive comments on accounts facing abuse or neglect. Targets report fewer hostile comments, larger audiences and, in some cases, income, though experts say its wider effect on online norms is still unproven and the work is hard to sustain.

TikTok ‘Kindness Mob’ counters online bullying at scale
BBC