They didn't have to vote on it. The motto was under no threat. Nobody moved to strike the motto. Your guys brought it up. And even in this new godless era, it passed with 97% support. The Last Supper had a higher percentage of dissent.
But you know what? At least they finally voted on the bill, and Congress can spend the rest of its time on more important matters.
...H.R. 2527, a bill to require the Secretary of the Treasury to mint coins in recognition and celebration of the National Baseball Hall of Fame.