I don't see it, it's sparse yes, but condescending and obnoxious is an excessive description. It might be that you're going in to Windows installation with a preset prejudice.
"Hello"
"Step back while we take care of things for you"
"Just a few minutes longer"
I don't know the script verbatim, but it always read as very creepy and "This isn't your computer, it's Microsoft's." I would Ctrl-Alt-Delete just to have the pleasure of not seeing those messages.
