Sporting events remain the only place in which adults regularly gather and engage in patriotic rituals, so the game marked one of the first ordinary events in which people could come together in an expression of patriotism, support, and healing in the wake of a tragedy. It is a great moment--and also an unquestionably political one and an unquestionably expressive one.
Should it matter that moments like this also give us obnoxious t-shirts and chants?