If it makes you feel better (or worse?). I am using it daily and extensively. It is a productivity boost but not something that will propel me to god-level and the more I use it (Codex in particular) the more I discover its limitations; and that's where my conclusion has came from: It is too limited beyond the local scope it has. It is not clear (and there are no indications) it can make a jump from that local scope.
It seems then that it's usefulness depends on the intersection of what you want/need to do, what the model is capable of doing, and what you're capable of getting the model to do.
In some cases the impact might be enormous, and in others perhaps less so. One thing is for sure, the models are getting more capable, and along with that people are investing time/effort/money into improving their capability to leverage what the models can do.