Eminem made quite a splash at this year’s BET Awards when he debuted a freestyle rap aimed at President Donald Trump and his supporters.

The Detroit musician called the president “Donald the b****” and “racist grandpa” before dropping the line that most upset his fans: “And any fan of mine who’s a supporter of his, I’m drawing a line in the sand, you’re either for or against, and if you can’t decide who you like more and you’re split on who you should stand beside, I’ll do it for you with this. F*** you,” he let out, before giving the middle finger to the camera — and, presumably, fans of his who in any way support or voted for Donald Trump.

It was not only outrageous; it was an odd line all around. Eminem was literally telling anyone who’s politically in the middle or on the side of the president to forget about being a fan.

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One of those Eminem “fans” — or former fans, actually — was musician Joy Villa. She’s been a Donald Trump supporter since she wore her attention-getting “Make America Great Again” dress at the Grammy Awards this year.

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“I listened to Eminem’s rap,” she said, disappointed, in a Periscope video this week that now has over 27,000 views.

She also said Eminem’s video “boils my blood” and that it brought back memories of Madonna’s comments earlier this year about blowing up the White House — and of comedian Kathy Griffin’s off-the-wall insistence about holding up an imitation of the severed head of the president.

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“You are disgusting,” said Villa directly to Eminem. “I used to be a fan,” she said — before promising to delete all of his music.

“Insulting Trump supporters who are your fans” was a step too far for Villa — and likely a step too far for many other Eminem fans.

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The rap is the saddest of Eminem’s career. He has the freedom to say whatever he wants about the elected president of the United States — but disowning any fan who is not as staunchly liberal as he is will no doubt backfire big-time.

Eminem wasn’t the only one who disowned fans with opposite political views. In a recent episode of his late-night show, Seth Meyers flipped off the camera and said, “If you like Trump, go away.”

These entertainers are intentionally creating echo chambers.

What’s insane about this mentality: These entertainers are intentionally creating echo chambers. Art, creativity and entertainment are about having a personal truth — and spreading that truth through one’s work. If a person simply spreads that truth to people who agree with everything about it — then the art is doing nothing in the world. The creative person is merely preaching to a choir of head-nodding friends.

Fellow Trump-supporting musician Kaya Jones also had words about the rap for Eminem — someone with whom she used to share a record label. She had even appeared in a video for him.

She posted the video to Facebook and wrote, “Sorry for company I used to keep, Eminem, we were label mates. Playing Kim. Im proud of my journey to here, God saved me.”