TFA is not about ordinary bromine, but about semiconductor-grade pure bromine, which is very expensive and difficult to produce, so there are very few producers and apparently none in USA.

Nobody will ever run out of bromine or of silicon. But if the very few purification plants for silicon or for bromine were destroyed today, the semiconductor manufacturing would be suspended for a few years, until other purification plants would be built.

Your USGS article does not say a single word about semiconductor-grade pure bromine, so it is irrelevant for this discussion.