I think the relevance is that the Aeropress allows you to use the "brew hot and instantly chill" method espoused in the OP. You pour hot water over the grounds

I think the relevance is that the Aeropress allows you to use the "brew hot and instantly chill" method espoused in the OP. You pour hot water over the grounds in the Aeropress and then press it into a cup of ice.