The public justification for the giant US nuclear arsenal was the entirely fictional "missile gap," thereby creating an actual missile gap in the other direction that the Soviets thought they had to close. I'm not saying that "If new coronaviruses are being cooked up in Wuhan, we'd be negligent if we weren't funding development of our own" thought processes will necessarily become ascendant, but "China is a existential threat to the world, and any expenditure is justified in order to defeat it" is absolutely common.