Quite a concise and clear argument from Lawrence Krauss on the silly idea of giving equal time to creationism in a science classes (a big problem in his country – the USA). As he points out – the role of education is to overcome ignorance – not confirm it.
Teaching kids that the earth is 6000 years old, just because (in the USA) half the population believes it, is only validating ignorance. The fact is that half of the US population does not think the earth orbits the sun – they are clearly wrong but should that widespread belief mean that kids must be taught that mistake in their science classes?
Of course not.
That would be validating ignorance and is a form of child abuse.