That's one of the bigger issues I have, though in a lot of cases the message was watered down to begin with. Look at the lyrics of modern christian metal and hardcore bands now, as compared to how they were to bands like Unashamed, Focused, Strongarm, or Extol. Those bands made absolutely no mistake or question as to what their beliefs were. Lately though, with many bands, the message is more hinted at, or described vaguely, and what's sadder still is in some cases christian metal bands have completely abandoned Christ centered lyrics for bashing churches, and telling people their sin is fine because that's how God made you (just look at the lyrics to the most recent August Burns Red).
I do love the music I listen to because it avoids being boring, and actually has some thought into it. I also love it because the bands involved in making it treat it more like a ministry than this overwhelming heard of metalcore musicians looking to make a buck. Antestor is probably by far the most popular christian black metal band. I can guarantee they've probably sold less albums than a modern metalcore act, AND they were physically attacked by a group of satanists for their beliefs...and yet they keep moving. I messaged back and forth with Armath Sargon for several days on facebook, and absolutely everything that man does in his music, from picking names, to writing, to recording, he submits in prayer to God. Do you know how many likes on YouTube the video I shared has? Yesterday it had 2. Yet the guy has more albums out than a lot of bands.
A lot of these bigger bands, are writing music for the music, and watering down the message simply because someone might look at them the wrong way, and I can guarantee if they're complaining about something in their career, it has less to do with the people they're reaching and more to do with what part of their contract isn't being fulfilled. Yeah it's a big deal, but a far bigger deal is the fact that they are losing sight of the people they should be reaching and exchanging it for a lie.