While speaking to Meshuggah about why they haven't played Wacken ever I found out that, despite Meshuggahs large fanbase and massive status in metal, they have only ever been offered 5000 euros to play. Think about how much money the promoters make every year and how much they will be offering bands like Iron Maiden to play... I am not comparing Meshuggah to Iron Maiden but just trying to get across this idea that this is the reason some of our favourite bands don't ever play.