It’s especially important if you have otherwise plain kitchen. You need to create some interest in the room to make it feel more welcoming. And a really easy way to this is to switch up your splashback with amazing tiles or maybe marble. It depends on your budget.
It also creates interest and breaks apart that sterile look. Use some wood accents, leave it in its’ natural form, raw. If you are afraid about longevity of untreated wood in your kitchen use stone instead. It also became extremely popular this year.