Just because the previous chain split didn't seem to have any negative consequences, doesn't automatically mean we'll be walking out unharmed once again. Bitcoin Cash has only the support of a few malicious miners, while the 2MB hard fork is something the majority of the miners have agreed on - that's a clear and important difference. In other words, things will get far more serious this time. It's funny how people were getting more and more nervous as the 1st of August date was approaching, but now don't seem to see the importance of this November event.