It's so cool that we get to read the exact same argument in every thread of this forum. Big, big fan of seeing the same handful of people post the same back and forth over and over, even when it's barely related to the topic at hand.
They don't have any connection to the Feywild mentioned in Monsters of the Multiverse. I expect this is a misquote or a mistake made during the interview. Goblinoids (and Changelings) are the ones whose origins were changed to explicitly fey.