If you console log the output of onChange on InView in PostVideo. It sometimes returns:
{"\_dispatchInstances": [{"\_debugHookTypes": null, "\_debugInfo": null, "\_debugNeedsRemount": false, "_debugOwner": [FiberNode], "actualDuration": 0.40343713760375977, "actualStartTime": 770449566.380364, "alternate": [FiberNode], "child": null, "childLanes": 0, ……
A long log like this which causes false positives. The result of this bug is videos autoplaying when you first open the app.