Oomis1105, we go with the explanation of Chazal. The posuk, I brought, forbids negia derech ta’ava according to them. What Bp27 meant was that it is an unquestioned Halocha.
ItcheSrulik, you are wrong. Most Rishonim hold it is min’Torah, and so we pasken. (And it is ossur to all arayos.)