An Honest Question: How Much Dynamic Range Do You Really Need?

A question that I've been wondering for many years now is just how much dynamic range photographers truly need. We can geek out about it all day and night, but how far does this go before we get into complete negligence of good picture taking methods? Lots of the magic of landscape photography can happen in post unless you have custom profiles on your camera to get it right then and there. The photographers who do this are indeed landscape photographers but rely mostly on their post-production t...