Instagram Reels Automation

Anyone ever realized the description on a lot of Instagram reels? @thv this @DojaCat that. On top of that they post like 5 reels within a minute. I was researching it and ended up here, how does it work exactly, and what's the purpose?

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It's a tactic to game the algorithm/discovery tagging big accounts even irrelevantly can sometimes get a video surfaced to that account's audience or in tag-search results, and bulk-posting in bursts is meant to flood the algorithm and see what sticks