Some pages cannot be copied by non-members
Enter the following code in the console:
javascript:"use strict";!function(){var t=function(t){t.stopPropagation(),t.stopImmediatePropagation&&t.stopImmediatePropagation()};["copy","cut","contextmenu","selectstart","mousedown","mouseup","keydown","keypress","keyup"].forEach(function(e){document.documentElement.addEventListener(e,t,{capture:!0})})}();