This tangent misses the point.
The difference between moderate Democrats and more extreme Democrats is idelogical purity
. In liberal circles now, if you stray from the party line in any way... you are shunned.
There was a piece on NPR where a Democratic congresswoman was claiming it is a contradiction to support family leave if you are pro-life. Think about how ridiculous this is, these two issues aren't related. But is where the Democratic party is; once they label you anti-woman (as they define it) they insist that you fit their label across the board.
The true mark of a moderate is the ability to form opinions outside of the rigid ideological boundaries.