It's 100% real and 100% serious. That's why it is so well known in the design world.
I wonder if your comment exemplifies some corollary to Poe's Law - that someone mistaking real for parody or vice versa will confidently assert their view as obviously correct and challenge others (even if they constitute a seemingly informed majority) to justify their own.
Perhaps my comment does exemplify Poe's Law. But I can't see that it's more likely to exemplify Poe's Law than your own comment. You've offered as much evidence for your interpretation as I have for mine: none.
I wonder if your comment exemplifies some corollary to Poe's Law - that someone mistaking real for parody or vice versa will confidently assert their view as obviously correct and challenge others (even if they constitute a seemingly informed majority) to justify their own.