Ultimately the stated purpose of the investigation includes the Trump name and the Trump campaign, so this argument of yours is without merit. From the Wikipedia page: "The ongoing Special Counsel investigation is a United States law enforcement and counterintelligence investigation of any Russian government efforts to interfere in the 2016 presidential election, including an investigation of any possible links and/or coordination between Donald Trump's presidential campaign and the Russian government, "and any matters that arose or may arise directly from the investigation." The scope of the investigation reportedly also includes potential obstruction of justice by Trump and others.[1]"