Run in dev console on Twitter followers page to get buttons to easily force users to unfollow you

twitter-unfollow.js

const sleep = (ms = 0) => new Promise((resolve) => setTimeout(resolve, ms));

const update = () =>
  document.querySelectorAll(`[data-testid="UserCell"]`).forEach((row) => {
    if (row.querySelector(".unfollow-button")) return;

    const button = document.createElement("button");
    button.className = "unfollow-button";
    button.innerText = "Unfollow";

    button.onclick = async () => {
      const dropdown = row.querySelector(`[aria-label="More"]`);
      dropdown.focus();
      dropdown.click();

      await sleep();
      document.querySelector(`[data-testid="removeFollower"]`).click();

      await sleep();
      document
        .querySelector(`[data-testid="confirmationSheetConfirm"]`)
        .click();

      row.remove();
    };
    row.append(button);
    
    const avatar = row.querySelector(`[data-testid^="UserAvatar-Container"]`);
    avatar.parentElement.parentElement.style.flexBasis = "200px";
    avatar.style.height = "";
  });
update();
new MutationObserver(update).observe(document, {
  subtree: true,
  childList: true,
});