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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The original Rap is a unique combination of race, age, economics and culture. Older Black people will look at you like you crazy when you start talking about Rap. Black people from the  " moving on up class" will do likewise. That left Rap exclusively to Black people who are at the bottom of the bottom; you can figure it from there.
No glupson. Shut off the contrary-ism for a moment and read.

This too:

let him who is without sin cast the first stone - Wiktionary


Now I even read it. 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.

That is all if we accept results of the study as valid.

Quote from the study: "Rap on the other hand, shows an increasing trend in misogyny."
"That left Rap exclusively to Black people who are at the bottom of the bottom..."

These days, one does not even need to have a passport to find out how incorrect that is. A good Internet connection would suffice.

Sørsia Gerilja Blør for sør norwegian rap - YouTube
@glupson I'm not saying the study is valid or not nor am I endorsing methodology. The study concludes though that misogyny in music has been decreasing over the past 50 years.

Since rap music is "younger" than 50 years old, the inference may be that since misogyny in music has decreased during this time that rap has not contributed to a rise in overall misogyny. At the end of the day I'm afraid the study doesn't provide enough data to make that conclusion.

Why is anyone who doesn't like rap posting on this thread?