Im not sure why this is cataclysmic for FB - they’re mostly a first party advertiser. App tracking transparency doesn’t prevent Facebook from running ads on the

Im not sure why this is cataclysmic for FB - they’re mostly a first party advertiser. App tracking transparency doesn’t prevent Facebook from running ads on their own apps and using SkAdNetwork to track conversions (which works even if the user opts out). Granted the fidelity and latency of SkAdNetwork is a concern but hardly enough to materially impact the bottom line.