the problem isn't the words. The problem is that we know the the originals were meant for and were talking about, so you subconsciously connect that.
And how do we know that they aren't talking about God? Because they don't mention God. If you're singing about God you're not going to HIDE it by not saying his name. We know that these songs were meant to help you get your "freak on", so why even bring that kind of feel into a church?!?!
Lets put it this way, GOSPEL is about spreaing the word of Jesus Christ our Lord and savior, so HOW ON EARTH can you spread the Gospel if you don't even mention him? Also how on earth are non believers suppose to know you're singing about Gospel if you don't mention him? The bottom line is that you can't and they won't know.
Since we've deduced that this is no longer Gospel the next question is, then what is it? well it's an attempt at a cross over to make more money, that's all. There's no black or white on the subject.
Now don't get me wrong, I don't think there's anything wrong with ALL secular music, however when you try to pawn it off as Gospel it's a mockery! Call a spade a spade and lets keep it moving.
The final point is, what purpose does non gospel music have in a church who's mission is to teach the gospel?!?!! the answer is none, once again no black or white about it.