I don’t think “outdone” is a proper characterization. I see the two events as equal highwater marks.
ping
At work the day after Disco Demolition Night, the “old guys” (about my age now) were horrified by the whole thing where as a lot of us “kids” were saying it was the greatest day in baseball history. 10-cent Beer Night, though, sounded like a very bad idea from the word go.
Low-tide is more like it. The only two soccer-style riots in Major League Baseball history...