Conservatives have lost every battle one cares to name since the 1960s, immigration, abortion, the family, you name it. On most of these issues they have united with the globalist Left, immigration being one example. Always the conservative, especially the American version, goes the way of Big Business, so that they may object to mass immigration of illegals, but welcome mass replacement immigration of legal. Conservatism was intrinsically weak compared to the Left and globalists, and it is inevitable that it would collapse:
https://www.nationalreview.com/2018/05/transgenderism-compromise-necessary-to-preserve-social-order/
“Though transgenderism is a far rarer phenomenon than homosexuality, I think most adults could admit it does seem like a rather persistent aspect of humanity. Most can probably recall a transgender person making at least some minor appearance in their life. If we concede that transgenderism is not going away, and is not something anyone intends to exert effort toward ending, then Americans, especially conservative ones, should reflect on our culture’s honest and fair attitude toward homosexuality and acknowledge that the most sensible path out of the present acrimony will probably require similar compromise. Some degree of cultural ceasefire and consensus seems the only path for both sides to maintain a degree of pride while avoiding a more radical, disruptive societal transformation.