Basically all he is saying is “thanks to the fans, without your support we couldn’t do this”. He used a lot more words but I don’t really see a problem there. Could he say it better? Yeah. But no surprise because he could write his lyrics better too.
All bands say similar things. And yeah, the whole band-fan relationship IS kind of like a cult. Whether it’s In Flames jesterheads, Slipknot maggots, ICP juggalos, black metal hordes, Girls Generation sones, Blackpink blinks, Super Junior ELFs, New York Yankees fans, Green Bay Packers fans, Democrats, Republicans, ...