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IMO you shouldn't be amazed at all, most of the retail bots are pure garbage. They are just a bunch of ifs and else statements that utilize the same ol' useless Indicators and shipped as AI. The issue is these "bots" are merely "tuned" to the "most profitable" settings they have found through brute forcing through historical data.
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Maybe the one you are mentioning about garbage bots or normal ifs and else statements are those script kiddies bots that are available online.
You forgot that there are some entities or big traders that have bot some different purposes and those bots are not ordinary, some of them already have machine learning (AI) integrated which over time, collects data or learn from past price actions and more accurate somehow or more precise but I believe it's still not 100% accurate all the time.