Increase fuel economy -> Introduce fuel economy standards -> Economic cars practically phased out in favour of guzzling "trucks" that are exempt from fuel economy standards -> Worse fuel economy.
or
Protect the children -> Criminalize activites that might in any way cause an increase in risk to children -> Best to just keep them indoors playing with electronic gadgets -> Increased rates of obesity/depression etc -> Children worse off.
As the article itself says: Hold big tech accountable -> Introduce rules so hard to comply with that only big tech will be able to comply -> Big tech goes on, but indie tech forced offline.
I've heard it called "law of unintended consequences" and "cobra effect".