I think that's mostly true, but I've been surprised by non-tech people pointing out and recognizing Tux on various things of my over the years since college (a T-shirt, my background on my laptop at one time, etc.). I think there's a certain segment of the population that will see an adorable penguin mascot, like it, and then look up what it is.

hot take: SXSW is pretty much a tech bubble by definition.