It will take years to build up the experience levels on the 380 back up to where they were in 2019 before it was all thrown away. Typical rosters inlcude 2 ULR trips and 2 or 3 to Europe or Asia, so 3 or 4 landings a month - in the last 2 months I've had 6 landings (and no leave or sims in that time, just line flying). If you are coming from a 320 operator with a couple of thousand hours it will take a long time to be "experienced" on the 380 at that rate.