If you think it's "lame", then don't use the software. Simple.

It's the UberCart Team's right to have a linking footer enabled by default. If you don't like it, remove it. We all know you can do it ... so, don't bitch about it, or go program your own cart.

And if you do, please post the link, and we'll have a poll to see who's cart is really "lamer".