I think there must be some sort of culture gap in play here. I've been told to "google it" more times than I could ever count and not once have I perceived a condescending intent. And similarly, I have told people to google things many times and not once did I mean it to be condescending.

Usually it means "I don't know the answer off-hand, but I know that I could find it if I googled it. Therefore I'm telling you how I would find the answer." I know such advice is useful, even though everybody knows that google exists already, because most times that I was on the receiving end of this response, googling it really was the solution for me and I just needed somebody to snap their fingers in my face and remind me that I know how to find the answer myself.

"google it" is usually useful advice when I am on the receiving end of it, so I don't think it's condescending at all. Ditto "RTFM". If I turn to my coworker and ask "Hey Jimbo, what's the flag for making GNU Tar do bzip2 compression?", maybe he knows the answer off the top of his head and tells me -j, but likely he doesn't know, knows that he could find out in about 5 seconds with the manpage, and tells me to check the manpage. Which is wholly fair; we both know how to search a manpage, so why should he do that on my behalf instead of reminding me that I can look it up myself? I don't perceive any condescension here.