Tipster Enthusiastic Citizen recently claimed that Arc desktop chips, including the A780, could be delayed til Q3 2022. This would potentially put these parts into a difficult spot against RX 7000 and Lovelace chips which may deliver two times the performance, going by current performance rumors.
https://www.notebookcheck.net/Intel-s-Arc-Alchemist-A780-could-be-delayed-til-Q3-2022-potentially-putting-the-RTX-3070-Ti-class-GPU-into-unfavorable-contention-with-Lovelace.614235.0.html