One-to-many relationships aren't innocent to begin with; they've always been under public scrutiny, a magnifying glass. Algorithms might make it easier to find what you seek (I can assure you they do not always as I've witnessed on Facebook, Google, Amazon, Netflix, Apple -- you name it).

Bubbles are also not new. If you were a Catholic in The Netherlands in 1950 or 1960 then you watched Catholic TV and listened to Catholic radio and went to a Catholic church on Sunday and listened to a Catholic preacher and a Catholic pope telling you what to think about atheism, abortion, HIV, anti-conception, marriage, homosexuality and what have you and you went to a Catholic dancing. You came home with a Catholic partner of the opposite sex. Oh and you went to a Catholic school. Protestants? They exist, somewhere, but not in your myopic world. [Full disclosure: I grew up as an atheist child of Protestant parents in a Catholic area.]

Its a matter of choosing your overlord(s)...