Shield Studies are opt-out by default https://github.com/mozilla/normandy/issues/741 https://bugzilla.mozilla.org/show_bug.cgi?id=1370801 https://bugzilla.mozilla.org/show_bug.cgi?id=1370799
Shield Studies are opt-out by default https://github.com/mozilla/normandy/issues/741 https://bugzilla.mozilla.org/show_bug.cgi?id=1370801 https://bugzilla.mozilla.org/show_bug.cgi?id=1370799