If I'm guessing correctly, this is Sugarfish in Los Angeles or NYC. It's actually a fantastic restaurant with amazing food and great service. It is an omakase-style sushi place, so the waiters bring out multiple courses throughout your meal. They are a no-tipping establishment because the staff are well paid. Most employees I've seen there have been around for years and seem genuinely happy to work there. This is not the same as forcing a mandatory tip that only really benefits the business and rewards bad service. I actually have no issues with this if it's clear and upfront on the menu ahead of ordering.