At my high school graduation in 2002, cheering loudly and extensively was discouraged - with over 900 students to get through, they had to say everyone's name pretty quickly, and they didn't want anyone's name to get drowned out. I remember them saying, "I'm sure you would be upset if you couldn't hear your own child's name, so please don't ruin this day for someone else."
No one went crazy then, or at my college graduation in 2006, but of course it happens.
Whether it's become worse recently, I don't know.
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I believe in the values of friendship and fidelity to purpose
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