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"I support it only if it's open source" should be a more common viewpoint
(vitalik.eth.limo)
This is a most excellent place for technology news and articles.
There's a difference between being realistic and being pessimistic. The latter expects any attempt to fail, while the former seeks an attainable path to a goal.
One can not attain that utopian vision without setting realistic goals. Setting your eyes on the end game without ever focusing on the path to get there is dooming yourself to failure.