In 2015 California passed SB 277, which eliminated nonmedical exemptions to school vaccine mandates. Unfortunately quacks are writing bogus exemptions. What can be done?

In 2015 California passed SB 277, which eliminated nonmedical exemptions to school vaccine mandates. Unfortunately quacks are writing bogus exemptions. What can be done?
Yesterday, social media giant Facebook announced that it was acting against medical misinformation by using keyphrases to deprioritize results promoting misinformation and scams? Is it enough, and is it too late?
Everyone’s favorite quack Joe Mercola is ranting about Google. It’s not surprising, given how Google has apparently deprioritized content from quack websites..
The Washington Post reported that Bernard and Lisa Selz have donated heavily to antivaccine causes. Will naming and shaming stop them? The Daily Beast reported that Albert Dwoskin is distancing himself from his ex-wife’s antivaccine foundation; so there’s hope.
Actress Jessica Biel Joined Robert F. Kennedy, Jr. to lobby California lawmakers to reject SB 276, a bill to stop bogus vaccine exemptions. Despite her claims that she’s “not antivax,” lobbying with a long time antivax crank like RFK, Jr. and expressing to legislators your belief that vaccines are both dangerous and ineffective are pretty much the definition of antivax.