Taking on the incompetently managed gangster-like phone companies (they are in collusion) is hardly akin to trying to take over the world. I'm sure enough people would have read the article anyway.
We should hope they are successful. The incumbent phone companies have no interest in satisfied customers. Wireless voice quality is horrible. Internet connection speeds are pitiful. Prices for service are outrageous. they tap your conversations , email, and web surfing, and provide that information to the government, no questions asked. What other utility in the U.S. requires a 2-yr contract, besides wireless phone service (even if you don't buy a subsidized phone, they still want a 1-yr contract for some services)?
Most wireless phone calls are made inside a building (well, probably more than half, if not 75% of them). A lot of those buildings have wi-fi in them. If google specs out a phone that can make VoIP phone calls, it can offer a wi-fi based phone service. They have lots of fiber bandwidth, they know how to use computers, and they have lots of capital. Plus, they are infinitely smarter than the phone companies. The only disadvantage they have is that they don't seem to be as willing to bribe congressmen yet. While a wi-fi based service won't be enough to take over the wireless phone business, it will put a dent in the carrier's revenue. And given how little they understand technology, it will be a while before they realize it, and will then have to make a deal for access to their network. Since t-mobile is already offering free phone calls over wifi (if you have their standard wireless service), this may not be such a stretch.