This is a wonderful illustration of how, when it comes to language, there is only one hard-and-fast rule: UISS-IWC-MINS (Unless It Sounds Silly–In Which Case, Make It Not So)—or UISS, for short. The rest are all guidelines.
Despite the flattering allusions to the superlative virtues of the Hebrew language—and setting aside the sweeping and unfounded generalisations that Hebrew [people?] are the smartest or have superior emotional intelligence—I doubt that it could be said that Hebrew has the greatest number of adjectives of all languages. This, for three reasons, off the bat: