This quote says a lot to me:
"People are thinking twice about where they spend their money," he said. "When you eat out less frequently, you're careful about where you eat and you're not out to gamble."
If someone has never tried you, 10% is a gamble.
If someone is thinking twice, they're likely to go where they know they're comfortable (where they know the staff and feel welcome).
Marketing isn't about spreading the word far and wide. Especially now, bring people in no matter what it takes. Don't make them gamble. Give a freebie and build the lifetime value of that person.
Full article can be found here.