Nobody is defending illegal immigration. The argument is that your use of the word unnatural to describe it is a nonsensical and improper use of the term. You are conflating "unlawful" with "unnatural." Please take a basic English vocabulary class to understand why those two words are not synonyms.
He may be of the same ilk as that idiot with the hitler av who just 'decided' that the word "species" means whatever he needs it to. There is no hope for some morons.