Having been in similar situations, I think he means that he does indeed replicate the bug (which isn't usually as bad as you make it sound) and then write diffe

Having been in similar situations, I think he means that he does indeed replicate the bug (which isn't usually as bad as you make it sound) and then write different code that doesn't trigger that bug in the browser. It isn't always possible, and in that case we do blame the browser in the end, but it usually is possible to work around it. It's ugly, but it's necessary to keep your customers happy.