It's because they finally removed the debug code.I'm pretty sure that people used to say that the Finder felt snappier after every OS update. Once Safari came out it shifted to that and that's when it really became a joke and people started posting it everywhere.
The oldest post on MR that I could find that used the phrase "seems snappier" was this one from June 12, 2001. It referenced Finder being snappier. Though this time frame is near when this web site was created (it's thread number 81) as well as the start of OS X, so it could have been used earlier.
The first post I could find relating snappiness of Safari was this thread from February 3, 2003.
I apologize if I sound like a newb, but I am. I've noticed a lot of folks saying this whenever mention of a new OS update.
Is it a hidden joke or something??? Confused.
Or the tablet. Which seems to be turning into another one of these
I mentioned that Safari was snappier a few months ago after an upgrade and my post was deleted. I usually don't say that but in that case it really was snappier and it was actually mentioned on the release notes.
The mods really should read the release notes before deleting posts about Safari being snappier. Sometimes it really does happen.
It's just lame people trying to be funny. It's actually discouraged cause it's silly and meaningless.
ignore it and it should go away.