It is a massive global undertaking involving untold collective man hours developing, implementing, and updating. They may as well be adding an invisible 1/2 pent tax on every man woman and child like some sort of hidden global sovereign.
This is a war they lost long ago and they keep trying to take power to which they are not entitled. The correct answer is like the Boston tea party dumping their imperial assumptions into the ocean.
If they want to block content they should take the responsibility to do so themselves. Even just blocking advertisers who fund problem sites would probably take care of whatever problem they are trying to solve.