How would one hold Google accountable? By fining them $1bn? $10bn? $100bn? To them it is just the cost of doing business.
We're beyond holding huge companies accountable. The only way they could be held accountable is if there was personal risk involved for the CEOs. There isn't.
At this point, breaking them up into smaller companies. Then start fining the individual companies so the balance sheets feel the fine more. Increase the fines exponentially for each violation.
What is the likelihood of that happening? Realistically? Does anyone think government can, or even wants to, break up large companies? The large companies _own_ the politicians.
If I am the evil corporations owning the state I would love to make all citizens pathetic cynics who think they have no capability for change and therefore bears no responsibility.
If a scam ad is found, at the very least, require them to disclose business records to show how much money the scam ad made (revenue, not profit), and make them repay it. Leave it up to the platform whether to recoup the paid-out share from the publisher or not.
If they are caught doing it repeatedly without taking adequate measures to stop it, treat them as an accessory to the crime.
We're beyond holding huge companies accountable. The only way they could be held accountable is if there was personal risk involved for the CEOs. There isn't.