Is the Airtight Drywall Approach obsolete?
After months of reading blogs here, I was just about sold on using the airtight drywall approach for all areas of my home that were to be re-drywalled. The main area being the entire attic ceiling which will then have cellulose blown in above it and vapor barrier paint applied over it. After asking my builder and insulator to use the Air tight drywall approach (and offering to pay a significant premium to do so), the insulator sent me this article: http://foursevenfive.com/4-reasons-why-airtight-drywall-is-obsolete/
He tends to agree and thinks that it will not hold up. I feel like some very solid points were made by 475, so I would like to throw it out here to get your opinions. I hate the thought of changing my design this far in, but I need to get this right. So what do you all think about ADA, and are these valid concerns?