I did read yours from 3 days ago too
You need to understand how s2 cells works to prevent further disappointment. You dont even need to ask again why poi is not showing because you know ald if its gonna appear or no by checking if the cell empty or no.
Disclaimer : missplacement of wayspot submission into empty cell for game purpose is subject to abuse ladder system.
It could also got reported for removal by property owner or reported by other wayfarer if its ineligible but in most case, its just because the cell ald have other wayspot