That's a different premise than most people are using.
I wouldn't quit Google services because its possible. I would quit Google services if it was personally worth it.
And it simply isn't. Not for me and not for the overwhelming majority of internet users.
Oddly, he confuses why it might be worth it too. He says at the beginning that it is "mostly because old habits die hard", but ends with "people are willing to give up their privacy before handing over cash". Neither of these address the utility of being in the Google ecosystem, especially if you own several Android devices.
I think its good to talk about the practicalities of leaving Google, but I don't think this article does a very thorough job. It just takes jabs and offers a few poor alternatives.
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The author mentions he uses iCloud instead of Gmail, but doesn't actually say why there would be any material difference between the two. I know that alternatives to Gmail exist, but I need to know why I'd want to change my email address for more than a lark.
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The author claims DuckDuckGo is "fantastic", but gives zero reasons why except for different search results. I just tried it again, and got nothing useful for "showtimes near me", "movies near me", "NBA standings", "Cafes in Nashua", and a few recipes (for recipes Google shows reviews, total time and calories in-line). Try "flights from SFO" in each. Wow. Prices to popular destinations in-line in Google.
What different search results, make DuckDuckGo fantastic? Does anyone have any examples?
Here we are at long last in the age of the Semantic Web, 12 years after Berners-Lee declared it a thing (and 7 years since he lamented that his vision had gone unrealized). The combination of web semantics and very powerful inferences have made Google (and Bing) search into wonderful powerhouses of utility with so much information above the fold and even before the click! DuckDuckGo has nothing in this space.
One of the best tests for search engines in my opinion is what it does it poor or incomplete search terms. Often I don't know how to spell something, or someone has related something to me with incomplete information. What if someone told me to look up a cat breed called the "egyptian maw". DuckDuckGo returns nothing at all useful, Google correctly figures out that my friend spelled the breed wrong, its really "egyptian mau".
Interestingly, trying DuckDuckGo with capital letters ("Egyptian Maw", or merely capitalizing Egyptian) produces completely different results, in this case more correct ones. That certainly fits the "DuckDuckGo is different" mold, but in a way that's horrifying.