It's weird as hell, as far as I'm concerned.
I have a story from my own life about that. I was back in my home town on Christmas, 1966. I was on leave between assignments in the USAF.
I visited the church I had attended when I lived there, as I usually did. The choir director asked me if I would sing a solo for Christmas a week later. I was a favorite vocal soloist at that church when I was still in high school. So, I said yes. I chose to sing "O Holy Night" or "Cantique de Noel" as it was named in its original French version.
I met with the church organist that week to run through it. She was the only one who knew what plan was for it. Lovely person, she was, and thought it was a good idea.
My plan, which I briefly explained before singing was to sing it three languages, French, it's original language, English, and in my own translation into Russian. I had just finished almost a year of a total immersion USAF Russian program at Syracuse University. I sang in the men's chorus of that school and did the translation for our graduation ceremony. It was vetted by and approved of by the head of the Russian language program.
So I sang that trilingual interpretation at church, in my dress blue USAF uniform. After the service, one of the church's elders approached me and gave me a "How dare you!" lecture. How dare I sing that song in any language but English? Especially Russian! I was not longer a high school kid, nor was I going to listen to his bullshit, so I explained it in no uncertain terms and suggested what he could do with his objection.
A couple of days later, I was on my way to my nest USAF base.
Some people cannot stand to hear a language they don't understand. It is offensive to them, because they don't understand it and someone else does. It's also very, very weird that so many people feel that way.
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