It doesn’t matter if the lie is easily rebutted. Indeed in one sense rebuttals are part of the plan because they result in the subject of the lie being amplified and kept on, or near, the top of the news agenda. The ultimate goal of strategic lying is to have an impact on the salience of issues.
The US and UK militaries struggled with influence operations in the Middle East, so they hired SCL, a company renowned for its psychological operations (psyops). When that business ran dry, SCL looked for business elsewhere: politicians.
At the Stanford Graduate School of Business in Northern California, the stories got weird almost immediately upon students’ return for the fall semester. Some said they were being followed around campus by people wearing green vests telling them where they could and could not be, go, stop, chat or conduct even a socially distanced gathering.