I think this phrase is so infected in common speech and mind that we don't question it with books, but how many would disagree that with e.g. SaaS, having a nic

I think this phrase is so infected in common speech and mind that we don't question it with books, but how many would disagree that with e.g. SaaS, having a nice looking landing/marketing page is important. Again, there are still successful SaaS apps that have awkward marketing or even UIs, as it's not the only determining factor, but it is indeed important. In this case Go's logo has much less to do with the language than a SaaS app's landing page, but as another comment below shares, it still shows some level of influence in the overall project.