outer and inner planes (diagram only)

[anagogy]

The invisible, or inner, third-density planes are inhabited by those who are not of body complex natures such as yours; that is, they do not collect about their spirit/mind complexes a chemical body. Nevertheless these entities are divided in what you may call an artificial dream within a dream into various levels. In the upper levels, desire to communicate knowledge back down to the outer planes of existence becomes less, due to the intensive learn/teaching which occurs upon these levels.

this last sentence takes some unpacking.

"In the upper levels, desire to communicate knowledge back down to the outer planes of existence becomes less, due to the intensive learn/teaching which occurs upon these levels."

does this mean that these upper levels (say indigo and violet subplanes) the learnings/experiences of unity/faith become wholely internalised, and that these are aspects of being rather than doing?

In my opinion, Ra was simply expressing the tendency of higher vibrational 3rd density beings, whom reside in the inner/non-physical (that is to say: "dead dudes"), to not have as strong of a desire to attempt communication with the still living 3rd density outer-plane inhabitants, whereas the lower vibrational 3rd density beings, when they cross over to the other side, so to speak, are more inclined to attempt communication with the living, via dreams, apparitions, or even channeling.

Essentially, when the more highly evolved beings kick the bucket, they tend to be more interested in learning than they are in trying to contact those beings they left behind in the physical world.