Why is Jelena Ostapenko allowed to screech like a demented parrot?

A piece published on the website of Justice for Men & Boys (and the women who love them), the political party of which I’m the chairman, in July 2017:

BBC1 is currently showing Venus Williams v Jelena Ostapenko, a Latvian player, at Wimbledon. When she serves, Ostapenko screeches like a demented parrot. The umpiress should cancel the match, but of course she won’t.

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