Actually, you are not being pedantic at all. No one in the space industry thought it could be done in a commercially viable way. SpaceX was dismissed time after time by space pundits until it landed a rocket, and then another, and then another. Now the goalpost is 100 reusable flights! I wonder what the next one will be when SpaceX gets to that one.
The article started with a biased premise and then worked to prove that.