Trade magazines (ie Inside Triathlon and Triathlon) are meant to move product for the advertisers not present a cross section of the sport.
Most of the athletes who drop major $$$ on equipment are probably white males between 30 and 50 years old, hence all the photos of white dudes "hammering."
Just do your own thing (sounds like you are already are) and ignore all the hoopla and overpriced unnecessary equipment.
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"When I first had the opportunity to compete in triathlon, it was the chicks and their skimpy race clothing that drew me in. Everyone was so welcoming and the lifestyle so obviously narcissistic. I fed off of that vain energy. To me it is what the sport is all about."