Hmm, I have to say I am one of these people. However, this is not because I think extreme metal is better or classic metal is shitty or what not. And I don't find it a stepping stone to extreme metal. For example I have been into extreme metal the entire time I've been into metal. The least extreme thing I own is Slayer. Right now I am still enjoying and discovering more of what I like from death and black. Eventually I know I will grow weary of all that and it makes me feel good to know there is still a vast amount of music waiting for me in the less extreme areas of metal. I probably still annoy you but whatever
Also Brutal death is good, V5 describes it well. I'm glad to see at least a few more people besides me and V5 popping out of the woodwork to defend it. I probably like it more than most in that even mediocre BDM is enjoyable for me, but the best bands of the genre truly are great.