The Goblet's main flaw is the layout. It's terrible when you're standing in your yard and most of what you see is a wall or the upper floor/rooftop of neighboring homes. It's a problem with a few plots in the other districts but not nearly as many are affected compared to Goblet.
The second flaw is bad weather kills the view of the canyons for the good plots that actually have a decent one. I can sit out in my Mist yard during bad weather and still have a good view of the coastline. When I had a house in Goblet with a canyon view, the canyon almost completely disappeared leaving me staring at grey nothing.
When it comes to decorating, I'd much rather work with Goblet's neutral tones but I spend a lot of time outside gardening so the outside view is important.