The thing that always surprised me about this when I still used FB was that they clearly had the expertise available in Meta to do it right because my Instagram

The thing that always surprised me about this when I still used FB was that they clearly had the expertise available in Meta to do it right because my Instagram ads/recommended content was almost stunningly well-tailored: events I actually wanted to buy tickets to, products that actually interested me, even down to reels from new comedians I find genuinely funny... My FB feed, by comparison, was almost exactly like yours - not just irrelevant interests, but geographically crazy irrelevant interests.