Here is former President Trump's main argument against ballot disqualification
Another issue on which the Supreme Court may be inclined to decide Trump v. Anderson without getting into whether former President Donald Trump engaged in insurrection is whether Section 3 of the 14th Amendment even applies to the president, perhaps the technical issue most widely debated among legal scholars. Of note, Trump makes this the lead argument of his briefing before the Supreme Court, spending more pages on it than any other issue. First, disqualification is triggered by those “who, having previously taken an oath, as a member of Congress, or as an officer of the United Stat...
Source: yahoo.com