Yea, this complaint from the bluegrass primitive makes little sense.
The political left has been lowering the standards by promoting the liberalization of social issues/morals for decades now. A natural extension of that is going to be people, including politicians, conducting themselves and speaking in ways that are more crass.
The time to decide whether you want "a rapid decline in civility and common sense in our politics" was when you were contemplating the liberalization of social issues/morals knowing the decline in civility would naturally follow in time, not after you've already done it.
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