They need to argue that, because otherwise it would eat into their bottom line to the point of unprofitability. You can't run a service for billions of people with less than 100k employees that also has an editor review everything.
It seems your conclusion is, "Therefore they should be above the law."
No, that isn't how it works. They *must* comply with the law, and if they cannot be profitable when they are not a criminal entity, then they should go out of business.