In theory, it might not be; the actual proposals there have been advanced have been attempts at voter suppressions with partisan (and usually class and racial, as well) bias.

Establish a universal ID first and eliminate any access bias then we can talk about requiring it to vote. Given that there is no evidence of any real problem that it actually solves in voting, it's more important to avoid creating new problems than to rush into it as a solution for speculative potential future problems.