Just now, my phone popped up a red dot: a certain address "coincidentally" transferred the same amount to three new wallets, and the group immediately started conspiracy theories... I watched the on-chain activity for a while, and honestly, many coincidences are because you haven't broken down the path.

Start by tracing the source of the same fund backwards to see if it comes from the same collection point;
then check if there are routing/bridging transfers in the middle (some contract addresses look like passersby, but are actually automatic distributions);
finally, align the timestamps, and you'll often find it's just scripts executing in batches, or the same "gas-saving" routing strategy being reused.

Recently, the staking and shared security setups have been criticized as "copy-paste," which I can understand. As the returns stack up, on-chain looks more like magic: money circles around a few times, and spectators only see the result as a coincidence.
Anyway, I don't get excited about such transfers now; I first explain each hop clearly, or I might scare myself too.