Why were 291 responses removed about Rap?

I do not care for rap.  It is not music.  I abhor unbridled censorship.  Why were 291 posts systematically removed,  then the post deleted by moderators?   I did have a serious reply, followed by two tamer ones. This is not about me.
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It says that misogyny in rap is increasing, loosely what millercarbon suggested and what rap-defenders deny. If that is correct (for a moment, forget about the methodology used in the study), millercarbon may be owed an apology by rap supporters. And, for once, some research would support his views.
Apologist nonsense. MC repeatedly argued that ALL rap is profane and misogynist, etc., claiming that he could find no exceptions, and challenging others to do so. Then, when examples were produced, he left the discussion, rather than having the courage to admit that he had been wrong.

There is no "research" supporting his views.

I was pondering similar things, too, but let it slide as historically simpler.
noromance  Surely, you are not claiming that the song Strange Fruit is something sinister, rather than about Plaitains hanging from trees.  Not only is music a way to disguise dissenting political thought, nursery rhymes we3re, too.  Littel Miss Muffet sitting on her tuffet is an example.  The spider who sat down beside this queen was none other than Mary Queen of Scots, who was frightened by the rebellious reformer and Presbyterian Church founder John Knox (The Spider)

"Goodbye glupson....got things to do..."

Give my regards to millercarbon.

Simao, before Rap; Blues, Jazz and R&B were considered the fundamental classifications of Black music. I observe every thing, but as far as being a spokes person, I speak only for self from what I see and hear.

Rap lyrics tell you where they come from and what they are about. The demographics tell you why.