We all have transactional relations with CEX and that will continue to remain. However, there is a sector of crypto population who just do not want to gen into the know-how of self-custody and that is a dangerous precedent, could be the reason of failure. You can not afford to delegate the custody for a long time to a third party even when how reputed it is. So self-custody should be a learned tendency of a crypto user at any given point of time.