freelance writing vs. independent curating

To sell stories to magazines, a freelance writer needs to find a new spin, a new angle, or new research to create something fresh that hasn't been published before. Since magazines usually publish similar topics such as dieting for a woman's mag, the pressure is on to put the topic in a different light in this highly competitive field.
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Let's compare this to the independent curating of biennials, which are those mega-exhibitions that take place in various cities around the world as a way to boost international recognition for the host country and to merge global ideas with the local. A biennial is usually designed by one, two or a team of recognized independent curators who first come up with a theme and then invite internationally-renowned artists along with the city's own artists who are perhaps not as well-known. This is what's called in art circles as "dialogue."
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Lately, take a look at any city's biennial, and it seems like a similar list of artists (Yawn) appear along with a similar scheme of themes such as 'war is bad', 'colonialism brings problems' and 'personal identity defines one's politics.'
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The excuse in the art world was that not many people get to travel to all the world's biennials, so this was the chance for these non-travelers to see and learn about these new ideas in contemporary art.
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Isn't this getting incredibly tiresome though? Can independent curators try to come up with new spins and fresh angles such as freelance writers?

There will be a whole slew of biennials in Asia during September of this year: Singapore, Taipei, Gwangju, Shanghai, Sydney, plus the Yokohama Triennial. Let's see if any of these exhibitions will be a pleasant surprise or the same-old.