I'm an old returning player, but I remember when 100,000 was a ridiculous price and very few cards were ever listed for that much. It was a much simpler time back then. The prices these days are beyond ridiculous and gatekeeps supposidly worthwhile cards/decks from new or returning players. I know that Scarlett is a little out there, but it's pretty indicitive of how the market is all the way down.
Hopefully in time the market will settle back to how it was and these insane numbers will be a thing of the past.