I just clicked to make sure someone flagged it already. We regresssed and are no longer able to have a civilized discussion even about trifles such as the usage

I just clicked to make sure someone flagged it already. We regresssed and are no longer able to have a civilized discussion even about trifles such as the usage of words like "dummy" in IT, so how on Earth could we be ready to discuss more fundamental isses John is talking about?