Yes, marketing has been overlooked, to catastrophic result.
Beyond being overlooked, marketing is broadly not even being discussed in the most effective terms. Endless administrative bloat is very far from an ideal solution. Instead, it is of paramount importance to recognise that inducing speculation is far and away the most efficient marketing mechanism available.
This discussion piece here outlines a method for achieving all key marketing objectives with best-in-class capital efficiency: How to Win - an overview. It is a short read.
A programme in this style could begin to be executed upon today if the DAO was willing to consider effective action. I am personally willing to contribute time to help with something like this for free, as I’m am very sad to see the DAO having spent years floundering in democratic paralysis, and strongly believe the technology Offchain Labs have produced is worthy of enthusiastic community support.