It's not only about breakaway people. An appropriate political systems promotes centralism and punishes extremism - but FPTP combined with your loose candidate

It's not only about breakaway people. An appropriate political systems promotes centralism and punishes extremism - but FPTP combined with your loose candidate selection process does the opposite. There is a large body of studies discussing optimal forms of democracy for newly established ones. The guidebook essentially recommends doing the exact opposite of what are you doing.