Kids who always get what they want for Christmas tend to stop caring about Santa at an early age, and they often find out their parents are actually the ones giving them gifts and don't really care as long as they get what they want.
But poor kids who aren't sure whether they're going to get any presents at all on Christmas morning want to believe in Santa- because he represents hope.
And when you're so poor you long for a square meal Santa seems like the only guy you can turn to for a Christmas miracle.
However, the rural kids who wrote these letters to Santa published in South Carolina's Abbeville Press and Banner back in 1922 still believe in Santa but want nothing to do with his magical BS, because they're too tough to consort with a jolly old elf like him.
Read 'All I Eat Is Raw Meat': REALLY Weird Letters To Santa From 1920s Rural Kids here