[Don Corleone]

You will find this tactic prominent in the Alinsky Rules. Isolate, polarize etc. Same old tactics to cover up the same Marxist policies.

[Bayan]

Obviously a pretty big chunk of the Democrat politicians in Washington need to be removed from office because of mental incapacitation.

[stormhill]

“What would you say about someone who said he thinks Scalia was murdered as a part of a bigger conspiracy?

I'd say they're probably on to something.
The left can't help telegraphing what they really fear. You listen to them carefully and they'll tell you what's really on their mind.