I went back over some old screen shots from January 19th of 2022,
I duo group with my ISS Heirophant; every buff and event pot, i was getting approx. 18.5 Bil XP + (Bonus of 16.9 Bil XP) for mobs killed in Alligator Swamp, no SP as I was at the cap of 50,000,000,000. I'm so glad NC decided to steal my SP again and nerf the XP Grind.
I guess they were not meeting PAY to Win revenue per quarter and had to shakes things up.