There's no such thing as too much of a good thing, especially when it's free.
The saying "Software is like sex ... it's better when it's free" is a quote from Linus Torvalds, the creator and maintainer of the Linux kernel.
The slogan "Linux. The Internet's Operating System" is a reminder that Linux and its related tools were created "By the Internet, For the Internet" - each component has been developed by different people around the Internet, and each component has been thoroughly tested by thousands of eager users on the Internet. This accounts for the robustness of the software and its unmatched performance in a networked environment, and explains its independence from commercial entities.
Now you can get a transparent version of this banner to incorporate into any (lightly coloured) web page.
For those who find the "Click Here" phrase unnecessary, here are some versions especially made without it.
Linux Banners main page.