It is the only listings of his worshipers though. Sages, scholars, wizards and archmages. That's all it lists anywhere I look. And, amusingly, sages and scholars and philosophers and other terms that mean the same thing are also worshipping Rao (Greater), Lendor (Intermediate), Delleb (Lesser), Lirr (Lesser), Lydia (lesser) so we've got a massive split amongst these scholars.
Also, interestingly when I found
Lendor, I also found this "Lendor's
tiny amount of remaining worshippers are sages, old men, and others distant from everyday concerns. "
<snip>
with 300 gods of varying power level, I think my 155 million would be... and underestimate of the number of people needed to support this many deities. I think putting a nail in the coffin that people ever followed this rule at DnD headquarters