Because the glyphs and pronunciations are similar.
In China, Master Yonejin is often misunderstood as Master Tianjin. At the same time, he is also misunderstood as Lawyer Mi Xuan, Lawyer Mickey, Master Xuanjin, Master Mi Luxuan, etc.
Even the Japanese often mispronounce his name. Before they knew it, many people always thought it was the name of a monk who practiced Feng Shui or exorcised evil spirits.