[crote]

> People living with parents suffering from dementia could fill out their ballots without them knowing and vote multiple times.

Or more subtle: watching them vote, with the implicit threat of violence if they vote the "wrong" way.

> The argument about not being able to take off on election day doesn't hold water.

In my country it is mandatory to give time off to vote if necessary. But the booths are open from 07:30 to 21:00, are located in a bunch of convenient locations (schools, libraries, train stations, shopping malls), and have basically zero waiting time, so in practice rarely anyone needs to make use of it.