Label it as you will, but this sounds a lot like everyday political discourse.

besmirch (be·smirch): / bi SMURCH /
transitive verb

(1) to sully; to bring shame or disgrace on someone’s honor; to detract from someone’s good reputation
(2) to make dirty; to soil; to tarnish or discolor

[From English ‘be-‘ + ‘smirch.’]

Usage: There’s something pathetically tragic about the way she tried so hard to besmirch everyone who disagreed with her.