It’s only a non-sequitur if you hyperfixate on the part inside quotes while ignoring the central thrust: That attempting to reduce large populations down to simple catch phrases will never end well in the long run. Too many people argue fervently over how we should label broad segments of society, to the point that they attack anyone suggesting that they shouldn’t be doing that by assuming those people must just want the opposite, but equally reductive, perspective to be true.