What appened to the "Nats"

Years ago, I'm talking about over 25 years ago I remember being on Moparts and it seemed like going was a pilgrimage for true belivers. At the time I was too busy and it was a haul to go. I finally went just before Covid and was like...meh. I didn't make a dedicated trip, but did include it as a stop coming home from a West to East cross country road trip. It reminded me more of a bigger local car show/swap then a national
event. What did I miss?