A case for APT, page-10

'..The sharp difference between the thinking behind journalists and fund managers dealing with real money."

Datt is two blokes with a small business background. Their investor relations are run by a university student. They deal with small investors ($100K+) and invest in risky companies. They charge massive (20.25%) performance fees.

https://mcusercontent.com/76108713aa4176b16b45822aa/files/349f0adb-ff70-4ceb-a002-c285084da153/2020_1_January_new.pdf

I doubt Berkshire Hathaway was impressed when they received the Datt 'research' on APT.