Because the size of the evidence necessary to prove it, scales with the size of the assertion being made.
The corollary is that the 2020 election theft only required a combination of mail-in ballot fraud plus regular old-fashioned Democrat electoral schenanigans, to produce 313,253 votes spread over 6 states. That is 0.2% of all votes cast. It's literally nothing. Probably required less than 1,000 people to accomplish it. Obama's Army.
