I assume because the scientists that are paid to do the research regarding safety have a vested interest in proving that it's fit for human consumption. I am amazed that Australia lags so far behind most Western European countries when it comes to additives... it's like we are this massive dumping ground. There is also the Care Factor. Most people simply don't care unless it makes them sick... very sad, I know Don't worry, you aren't missing out on much when it comes to most takeaway... it all makes you feel crap after eating it if you actually stop to take any notice of how you feel afterwards. My kids always chose sushi handrolls over nuggets if given the choice. Causes a bit of a problem on long road trips.... lucky we don't do too many of them anmore.