There are certain dishes which many home chefs find intimidating to the point where they'll only order them in restaurants. Examples might be soufflés, croissants, beef wellington, and crème brulee.
And as with steak tartare, there's a lot of room to customize ... You can serve tartare with or atop crackers or toast points ...
Although it is certainly possible to make a delicious steak tartare at home, the divisive dish of chopped raw beef -- often served with a raw egg yolk, raw onions, chopped gherkin, capers ...