Trump has been using his bullshit about a stolen election to raise money, from right after the election down today.
When you say 'only he knows' you discount the counts in Smith's indictment. Does Smith look like a careless, unprepared, man?
The jury will be asked what would a reasonable man believe when presented with lost court cases, dozens of his WH supporters and lawyers telling him he lost and his own AG calling voter fraud allegations bullshit?