He tried to do subprime mortgages, which happen to be the cause of the 2008 economic crisis in the US, and the government wasn't very amused by this idea. He is also the main proponent of the 996 system (having workers work from 9AM to 9PM for 6 days a week) which is not very popular among the common chinese, so cracking down on him would be popular with the public.

Isis are salafists, while Iran is Shia, and salafists consider all Shia to be heretics/apostates that must all be exterminated