What exactly is your point?
International language exams such as IETLS and ESOL are necessary in order for academic institutions and workplace employers to gauge a candidates English ability. Education costs money, testing costs money... In every area, not just ESL.
The constant bashing of exams you don't understand is getting boring now.
www.gedu.org/english "Global Education & Technology Group Ltd. (NASDAQ: GEDU) is the largest test preparation provider for the International English Language Testing System (IELTS) and a leading provider of educational courses and related services in China." 1400 employees in China. www.bloomberg.com/research/stocks/private/snapshot.asp?privcapId=46642683