Not sure what cars you've been driving, but search for 'car dash' on google images and bask in the differences.
Saying that all websites should look the same might be reasonable when you're talking about one network or brand, but outside of that, creativity should be explored, encouraged and rewarded.
Who wants a world with every restaurant, bar, urban design or any design looking the same? Good design and UX has nothing to do with copying your neighbour's layout and changing a few colours. Just because that's frequently done, doesn't mean these cookie-cut sites deserve any praise other than "good copy 'n paste job mate".