Design isn't as sexy as Galaxy but Pixel isn't any worse than iPhone. The back is a non-issue with one of Google's art or live cases and it might turn out to have better reception than the problematic iPhone 7.
While the design is growing on me (what choice do I have?), there's no way the Pixel "isn't any worse" in design than the iPhone. It's objectively uglier without a question. This year's iPhone, especially the matt black model, rights many wrongs of the iPHone 6/6S design. In person, the matt black is stunning.
Samsung > Apple > Google in designs at this point. Requiring a case to cover up the Pixel isn't exactly a good thing.