All of the design work is about making it appear trustworthy. I actually came across an article that talks about exactly this phenomenon, and why those "game predictions" sell really easily. From Signal Groups to Predictor Apps: How JetX Prediction Gets Packaged for Players explains how the packaging is designed to make you feel like the system is believable https://beread.in/game/from-signal-groups-to-predictor-apps-how-jetx-prediction-gets-packaged-for-players The presentation acts as a shortcut. If it’s refined, we're told to assume the method is too. I would never use or trust these things because the information is unreliable.