@Rubiksmoose Viewing the source (Luke) it looks like they use
wss:// to pass messages; and it's a lighter load to trigger the banner(s) for everyone on the tab, rather than fetch the vote count, user icon, title, question body, and potentially fire MathJax for everyone (leaving a partially updated webpage, with one question accurate, and the vote counts (and any edits or [status]) stale) so essentially most of the webpage is
wrong (whereas a user reload