The truth about articles like this: Comcast and others pay for stuff like this to be published.
A paid placement from Comcast is more likely to talk about how much better Netflix is without the occasional freeze or how better movies movies are in HD.
As far as I can tell, it is the cable companies that are pushing the higher speeds, not saying they are not worth it.
As far as spectrum goes they are pushing for higher speeds for a very high price. It feels like only being able to buy a Porsche as a car. Certainly a nice car but very expensive for most of us.