I too agree. The answer is practically right infront of you -- just check the laws of badminton. You guys are making things way more complicated than it really is
Ding! "Life is not all black and white but sometimes, many shades of gray." And even if something seems to be black and white for you, just let it go. I think some people argue for the sake of arguing. Just like some people are not in love. They are in love with the idea of being in love.