You don't own your Kindle books because you bought them from Amazon
I don't own mine because I pirated them
We are not the same
edit: I actually try to circle back around and buy physical copies of any book I really enjoy. But I'm much better about paying for video games, tabletop games, and even journalism than I am fiction... I think my bezos resentment gets in the way a bit there.
And yet with Firefox+ublock it is still 10000000 times better than its competitors.