> Do they think that FB is not major part of the problem they adress?
Obviously not. But my orignal point remains.
> If not, why didn't they come up with that some years ago when it was not too late to publish stuff without FB buttons?
Carissa Véliz has been invloved in researching privacy since the Snowden leaks. As an accademic, they took time to write a book to spread their findings to the masses. This podcast was promoting that book, which can be purchased with cash.