That was a nice history lesson actually. I remember being confused at the error message, looking it up, being confused at the explanation... because I hadn't learned static calls yet. I may not have even understood classes at that point, but that was way back in the day.
If PHP support has to handle the same stupid question about the meaning of a very unnecessary term that's confusing people and causing more support requests than anything else... then it made sense to change it.
I'm glad I read the blog post; it clears up a LOT of thoughts I had about the error... calling it childish seems off. Maybe you had a dog in the fight at some point?