Courts often use What's called a preponderance of evidence.
The evidence is sufficient to convince all but his most diehard followers of his inability to lead, including weekly books with eyewitness testimony from family and advisors, the Times tax reports, the election watchdog group's report, and much more.
All that evidence available--despite the AG's and Senators' enabling, becoming virtual accomplices in hiding evidence.
You are a diehard follower. You are outnumbered.