It is not necessary to read the article in order to criticize it

As I keep watching the hits on the project web site and comments that people leave at blog post pages, one thing never ceases to amaze me: they don't read it.

I mean, how difficult it is, for example, to search for "back pressure" using a search box provided *specifically* for that purpose at every project page before actually making a comment like (name reference withdrawn to protect the guilty) this: "I’ve been told by HVAC people and the local power company that closing the damper (insert opinion du jour)".

Here is the anwser, just in case...
And another, for completeness.