Be careful who you talk to ghost to haha. Ghost is just another theatrical metal(?) band. I personally thought Opus wasn't that bad, I could never really get into their later works (though catchy). I've met plenty of people at shows that will swear by Ghost or despise them with their life. Imagine it as metalcore, you love it or hate it, not in between.
They are definitely everywhere about now because of the new album. typically no inbetween. Of course there is always people that are in the middle, but Ghost does have a large division.
