Sentence:  ...punk “music has been, and still is, one of the most <WSD>heavy-handed</WSD> genres of music there is. Unfortunately the topics of such <WSD>heavy-handed</WSD> songs are almost always seeped in left wing propaganda, bumper sticker rallying calls and oversimplifications of otherwise complex topics." 
Meaning of the word marked with <WSD> tags:  Simplistic, lacking subtlety or nuance.