There still needs to be stabilization and integration of the absolute even after one has accessed it.
Does the experience result in permanent ego death? No...
Permanent Ego death = death. It is your ego that causes you to eat, sleep and function in the world. It is your ego that is communicating with me in the forum.
As long as you are alive you will have an ego. Where you have your sense of identity is, however, a different story.