come out for (someone or something)
To reveal or voice one's support for someone or something. Many people in our small town have come out for that big construction project because the closest store right now is 10 miles away.
come out for someone or something
and come out in favor of someone or somethingto announce or reveal that one supports someone or something. The defense lawyers all came out for the judge's ruling. Roger came out for Lynn, who was running for mayor. I thought the mayor would come out in favor of more public housing.