The article literally says it's the "tightest knot known to the human race." Is it really necessary to qualify it with "human race?" Is there some other known

The article literally says it's the "tightest knot known to the human race." Is it really necessary to qualify it with "human race?" Is there some other known standard for knots? "Well, sure, human knots are pretty small, but there's this class of microbes living in an underground reservoir in Death Valley that makes extremely tiny knots. Of course, humans will never compete with them. So we judge human knots by a different standard. Naturally we've formed a different human specific knot-tying league with different commercial sponsors and a separate channel on ESPN."