>Luvdisc's heart-shaped body is a symbol of love and romance. It is said that any couple meeting this Pokémon is promised a loving relationship that never ends. >IT IS SAIDhttps://bulbapedia.bulbagarden.net/w/index.php?title=Special:Search&search=%22it+is+said%22&go=Go&searchToken=7s1em518bawuwkc3y4ttledljWe know the pokédex is initially empty and records never-before-seen data by analyzing the pokémon you catch, because that's how it's explained when you get it, and there are scientists who will buy pokédex data from you.
So how does the pokédex know about human cultural connotations that aren't part of a pokémon's biology or behavior, and might not even be literally true? Isn't that like dissecting a frog to learn about Pepe memes?