… because cancel culture severely damages the democrats' brand in swing states and for swing voters. The left has grown incalcitrant and intolerant of moderate and centrist views, making them look like spoiled children not worthy of much respect at the big table.
I’m curious as to what you mean by moderate and centrist. Because Trump is hardly any of these either. Frankly, I’d say the main stream Democratic Party fully represents both (hence the lackluster candidates and infuriating need to compromise and play it safe).