This is as ridiculous as suing Nolo for publishing law books without a license.
The only reason why the government needs to have an appraisal license at all is because the government handles the loan for the house. The goal is to mitigate the risk to the government, not to help consumers decide how much they want to pay.
The only reason why the government needs to have an appraisal license at all is because the government handles the loan for the house. The goal is to mitigate the risk to the government, not to help consumers decide how much they want to pay.