If you forge the signature and send one in after someone else sent one they'll investigate. Trump voters got caught doing that in 2020.

And there is no reason to wear a mask and put old people at risk when you don't even have to go out. Duh.

In 2020 I met someone who had a fever (probably COVID and she said she wouldn't be able to vote.) You're fine with that even though mailing a ballot with your signature is fucking easy and reliable since if anyone else tried to signed in her name there would be a criminal investigation?