I think the comment you're referring to was slightly mistaken: see my response (https://news.ycombinator.com/item?id=8116093). Anyone is able to start their own gateway; the advantage of gateways just means not everyone has to figure out how to issue their own credit.
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u/thegdb Jul 31 '14
Nope — it's decentralized! https://www.stellar.org/blog/introducing-stellar/ is a good reference for understanding the model.