Letter to the Editor: No folding upon binding of intrinsically disordered proteins: Still interesting but not unique and novel. A commentary on "A novel mode of interaction between intrinsically disordered proteins. by Hibino, E. and Hoshino, M., Biophysics and Physicobiology 17, 86-93 (2020). DOI: 10.2142/biophysico.BSJ-2020012".