Anime girl backgrounds are mostly waifu/waifu veneration culture in the anime fandom sphere. Otherwise if motherfuckers were setting full on hentai doujinshi panels as their backgrounds…holy shit, that would be wild and bring up a few questions as to the mental health and porn addiction of the individual involved, unless it was some stylistic repeated Ahegao face collage of some sort for the memery.

They may know everything about you right now. But they don’t know about your future self, how you can change, how you may be an entirely different person in as little as a year. Data is useful, but it is more useful the more updated and recent it is.