The thing is, we will. And do.
I mean my face is of course my fortune, but it is also my username. A frankly it's a username I have been using a lot longer than 'lifeisstillgood'.
my analogy is that one upon a time we were all walking dow the street in Victoria London during one of Sherlock Holmes "peasoupers". Only people who got up close to you could see what you were doing and even reognise you. But technology has cleaned up the air. Now anyone can see from who knows how far away. The privacy we thought we had because of the peasouper is revealed to be a mirage, we were always walking around naked, it just was harder to see.
We can simply accept this, or far more likely find a cultural consensus. Privacy can be violated for the public good (hunting offenders, medical epidemiologists etc), but otherwise you are not allowed to use the knowledge you have to exploit or influence. No adverts based on prior activity, no Cambridge Analytica creating ads just for you.
We are heading there. That Facebook and amazon more or less publish every ad campaign is incredible - imagine trying to persuade parliaments in 50 countries to pass that sort of legislation.
We are a long way from that "cultural consensus". We will probably get halfway there in the grey areas - like facebook deciding to publish all ads. The British politician Nick Clegg is likely able to make more influence globally at Facebook than if he became PM.
But we are in the culture wars, and we need to fight. The law, the application of the law - these matter online and offline.
So vote. And vote in primaries too because that shapes so much.
(Weird idea - Oz has compulsory voting to ensure votes reflect "everyone". What if we had compulsory political party membership so that parties and primaries reflected the population ...)