Scale of vote fraud in USA, page-7

That JW analysis certainly has some wriggle room;

"he believes that “at least 900,000 illegal aliens”"
"perhaps as many as"
"Fitton says he believes, based on extrapolation data and estimates"
"Fitton said, “I estimate at least 900,000 aliens unlawfully voted…”"

Agreed, there are old names on many State rolls that should be updated & removed.

Fraud, incompetence or unworkable systems?

If someone moves to another State and registers there, there seems to be no automatic process to remove them from their former State roll.