I'll grant you that to reform can be to protect.  In good faith, you must grant that to reform can also be to  destroy.  There's an extremely strong presumption that it is the Church's 2000-years' teaching on sex, which squares with Scripture, Natural Law, and the overwhelming values expressed in Western Civilization, that should be given precedence over the teachings of Post-Modernism, espoused by people who shave half their heads and don't know whether they're men or women.