The blog post provides some context but no understanding.
It's meaningless because it's unverifiable. Dario all but said we wouldn't notice if they were pacing or not, because they have no intention of stopping development. The bits we could in theory verify are the external audits, whose independence has already been called into question.
At the very least, dumping a new model on the world before the ink on the glossy brochures of "Pacing the Frontier" was even dry calls into question their commitment.
... in fact the "pace" seems to have all but increased AND the surface area of the "frontier" has all but increased: There's the Pareto frontier, the AGI frontier, the price frontier, the structured output frontier, the open weight frontier, the Chinese chip-trained frontier, the inference frontier, harnesses ...