The comment is less about which of two bad choices floated to the top and more about the system that only coughed up two viable poor choices from a demographic in the hundreds of millions.
Is the german government collapse due to polarization? Was the UK government election of labour due to polarization?
Polarization is a centrist cope that has no actual content. Some people actually have values and there is a sincere disagreement about values for some people. Only centrists who have no values and love the status quo think people having values is a problem.
