Collective Shout is just a small part of all of this. Our real enemy is payment processors. This only stops if one major world economic power steps in and says, "Enough of this!" We need legislation! The only way we're going to get it is through mass organization.
Harassing a group of Karens is only going to make us look bad. Currently, three petitions are circulating: one for the ACLU, one for the Canadian House of Commons, and one for the Australian parliament. Do what you can to spread them around!
https://action.aclu.org/petition/mastercard-sex-work-work-end-your-unjust-policy
https://www.ourcommons.ca/petitions/en/Petition/Details?Petition=e-6695