Although spoken English doesn't obey the rules of written language, a person who doesn't know the rules thoroughly is at a great disadvantage.
Marilyn vos SavantKnow the names of past and current artists who are most famous for playing their instruments.
Marilyn vos SavantKnow the official post office abbreviations for all 50 states without having to consult a list.
Marilyn vos SavantYes. The original argument is defective. Substitute the word 'male' for 'gay,' and you'll see the flaw: 'Male people cannot be normal. If everyone were male starting tomorrow, the human race would die out, so being male cannot be nature's intended way.' Or you could substitute the word 'female.' In either case, the argument makes no sense: Being male or female is perfectly normal.
Marilyn vos Savant