Somewhere, at some time, someone said the same thing about the guy who started tacking intervals of a 3rd above the melody of a Gregorian chant.
And counterpoint. Oh my God. Multiple independent lines all happening at the same time?
And harmony in the classic (1750-1800) period? How dare they use the the diabolus in musica in sacred music.
If you lack the ability to tell Godly music from stuff that clearly isn’t, I feel for you.
If you believe everyone who calls what they do “Christian” then you’re I think too trusting and naive.
And your examples aren’t even the same thing as this. All you describe are people doing something new to music. What we are talking about here is people who are not doing anything new, they are trying to take a secular form of music (rap) that already exists, and have agreed the secular form is violent, sexual and generally evil, and instead are trying to change the lyrics to somehow make it palatable and Godly. They aren’t making anything new as an art form, they are trying to convert an ungodly form of music to a godly form, and it cannot be done. The end product still sounds and looks like the secular product. For those people who don’t care what the words are, it’s just rap. You may not even be able to clearly hear the words, but damn, you can still bump and grind to it. That isn’t Christian.
I say you can’t separate the music from the bad, because the hard driving beat that’s behind the words affects things and the rappers still sound like the secular rappers and largely look like the secular rappers (maybe the bling has a cross or two in it).