Correcting Wisconsin’s Voter Registry

Someone please explain to me why this is a bad thing?

Kevin St. John, a special assistant to Van Hollen, said the attorney general is simply asking that truly ineligible voters - such as felons serving their sentences or dead people on voter rolls - be rendered ineligible to vote. He said Van Hollen is not asking the state to take away the voting rights of people who have missing initials or other minor errors because that’s a matter for the board to decide.

Don’t we want to purge the dead people and felons off of our voter rolls?