Wrong on facts. The Whig party had self destructed earlier than 1860. The Speaker of the House was Republican in 1856.
It was the Democratic party that self destructed in 1860, running no less than 4 candidates, each convinced that he had ‘the answer’ to the looming crisis.
Almost every person in the history of the world who set out to achieve great things had some bozo in his ear telling him it couldn't be done. You are that bozo, telling all that there is no alternative to the socialist-Lite (tm) party for a conservative. There is, but it takes vision to recognize that, and it will take serendipity and a great person or persons to bring it about.