It is an important issue. I know that some jurisdictions allow the electorate to vote just by the name of the party with which the candidate is affiliated. It raises a question, to be frank, for the independent candidates, so that's something that you'll want to consider. I do agree that for many electors it makes it simpler and avoids the risk of a void ballot by having the option of expressing their voting intention by the party name.
I should note that if there's a spelling error, that is not sufficient to set aside the ballot. It has to be clear what the intention is, of course. A mere spelling error would not be sufficient, but in some cases, you're right. Some electors forget and they're quite certain of their party preference. That's certainly an option to avoid setting aside ballots in that case, but that would require a legislative amendment.