The US doesn't have vote-by-mail, we have mail-in absentee ballots and they're intended to be a last resort. You can only request an absentee ballot if you're unable to vote in person. You can't request an absentee ballot simply because it's more convenient.
I'm not sure what state you are in, but that entire statement is not true in the state of FL.
Per the link I cited above as a sample reference to vote-by-mail in the US -
"Vote-by-mail refers to voting a ballot received by mail or picked up by or for a voter instead of going to the polls to vote during early voting period or Election Day. Except on Election Day, no excuse is needed to vote a vote-by-mail ballot (see Who Can Pick Up a Vote-by-Mail Ballot below)."
The key phrase being that last one, "no excuse is needed to vote a vote-by-mail ballot". There is no verbiage about it being a "last resort" and that you can only vote-by-mail if "you're unable to vote in person". The Florida Division of Elections even titles the page "Vote-by-mail".
