Short answer: no.

Some old claim chowder

“The great task in front of us over the next two years is to lift the experience of the Linux desktop from something that is stable and robust and not so pretty, into something that is art,” Shuttleworth said to applause from the audience. “Can we not only emulate, but can we blow right past Apple?”

Mark Shuttleworth, founder of Canonical, maker of Ubuntu, 7/22/2008