AmazonSmile, launched in 2013, allows customers to select a charity...The company uses the SPLC to separate legitimate charities from so-called "hate groups"...The letter charges that the SPLC "frequently vilifies group based upon nothing more than their advocacy for biblically-based beliefs about sexuality and family ethics that were uncontroversial a generation or two ago." It adds that the SPLC map omits groups "which ally with international terror organizations, openly glorify murder under the guise of 'resistance,' and frequently descend into clearly anti-Semitic expression."