Absolutely, I do NOT think Mahlerites are losers!
Mahlerites are individuals who have an acute sense of what and how the world functions (or dysfunctions, if you want). They are all the more richer for what they see, experience, and know about life. If there were more individuals with sensibilities of Mahlerites, the world would be a much better place in which to live. That's not to say that everyone need have a bleak outlook on life. All people, regardless of where they come from, want to live happy, fulfilled lives. It's all a matter of peoples' origins and what they do (or don't do) to overcome the negative, or bad origins. Even Mahler himself, didn't consider himself a loser, but he had a tremendous number of psychological hurdles to overcome, which as everyone knows, he didn't. The ones who don't (or haven't) had negative life experiences to overcome are those who do not possess sensitivity to life's negative experiences.
Wade