I don’t really know what to make of this objection, because I have never seen the stochastic parrot argument applied to a specific, limited architecture as opposed to the general category.
Edit: Maybe make a suggestion of how to rephrase to improve my argument.
So … while I don’t assume that such estimates need to be correct or apply to an AGI (that doesn’t exist yet) I don’t think you are making a very convincing point so far.