He Didn’t Vote in a Few Elections. In the Next One, Ohio Said He Couldn’t.
https://www.nytimes.com/2017/10/23/us/politics/supreme-court-ohio-voter-purge.html
What you, and the article, conveniently left out is that the voter merely had to re-register and prove he was in Ohio and viola! Voting right restored!
Should we just let people vote multiple times in multiple states? is that your answer?