I have no idea what you mean.
If you mean people like metal to be rebelious then I would say in a lot of cases that is true.
I like it simply because the music is good though.
As for the genre being a rebellion... I dont think so... its just another means of showing emotion and opinion...
I think punk was more a rebelious music, being against selling records and comercialism...
Which reminds me of Black Metal, the Norwegian type, being a rebelian against Death Metal getting popular, and trying to make a more extreme music than DM. Thus why all the extreme violent acts happened in the early 90's...