According to the User Guide for version 2022.3.2 these two command line options are available and should install NVDA literally silently and not start it after the install is complete.
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It used to be understood that if you published and profited from a mass media platform you should also be responsible for its content. That idea is nowadays considered quaintly archaic. There is no real accountability, and almost limitless ability to post any kind of ridiculous and scurrilous nonsense. God help us.

       ~ Ross Goldbaum, Letter to the New York Times,

          Regulating Media: It’s Now Seen as a Quaint Idea, November 13, 2022