If someone says: That's impossible. You should understand it as: According to my very limited experience and narrow understanding of reality, that's very unlikely.
F. Kagawa, S. Horiuchi, N. Minami, S. Ishibashi, K. Kobayashi, R. Kumai, Y. Murakami and Y. Tokura, "Polarization Switching Ability Dependent on Multidomain Topology in a Uniaxial Organic Ferroelectric", Nano Letters 14(1), 239 (2014).