Well it was a pre-existing law, so it's not like the govt turned round and effectively said "sorry, wrong answer - try again". Anyway in this case it was the go

Well it was a pre-existing law, so it's not like the govt turned round and effectively said "sorry, wrong answer - try again". Anyway in this case it was the government found to have put out misleading information. Not perfect, but not a bad sanction against achieving a result via disinformation or outrageous advertising claims.