You can avoid having a sensible debate with such responses for sure.
There are many fundamental differences between Islam and the Baha’i Faith. In regards the OP question regarding a worldwide flood and the story of Noah look initially towards both science and religion. If science clearly proves something that contradicts religion, accept the science and have the courage to re-examine our religious beliefs. Religionists have a long history of overstepping it’s boundaries, denial and superstition.
There are many fundamental differences between Islam and the Baha’i Faith. In regards the OP question regarding a worldwide flood and the story of Noah look initially towards both science and religion. If science clearly proves something that contradicts religion, accept the science and have the courage to re-examine our religious beliefs. Religionists have a long history of overstepping it’s boundaries, denial and superstition.