The vote to create the TDD was somewhat controversial because only people who lived along the two-mile line were allowed to vote to raise taxes to pay for it. Only 549 people cast ballots. McGraw basically said Rumaner and Burke filed suit too late to stop the line. State law says legal challenges to elections must be filed within 30 days of when the election is certified. Burke and Rumaner didn't file until 50 days after the election. You can read the ruling here.
Grinders faced some social-media backlash after the suit was filed. Some streetcar supporters vowed to boycott the 18th Street pizza and sandwich shop over the suit.