What's with GF adding all these sad/disturbing bits of information for new Pokemon in Sun and Moon
If you're talking about the pokedex entries, there's always been plenty of those.
>>27756211
They became a lot less common after Gen2 though, with only a few mentions made each gen usually in Ghost-types (Like how Yamask is made from the spirits of deceased humans). It's kind of strange to see them return, especially with how bright and cheerful Alola looks.
>Each of them carries a mask that used to be its face when it was human. Sometimes they look at it and cry.
>>27756225
I think you need to have a look through the pokedex then, theres plenty in each Gen.
>>27756225
Just off the top of my head,
>Cacturne stalking travelers through the desert
>Metagross pinning down prey and devouring it with the maw under its body
>Jellicent drowning shit
>Yanmega biting heads apart at Mach 1
>Phantump being the ghost of a dead kid
Theres plenty