On top of that, the mindshare of "Googling it" dominates users brains just as much as Kleenex branding does. I'm sure most of us have watched someone use another search engine to look up Google before.
Browse the web as a normie would, without adblocker/etc extensions and other techy web saavy, and it should quickly become apparent why. Telling people to google something is like telling them to wade into a sewer.