A former HSBC banker was not sacked because he was gay, but he did receive less favorable treatment because of his sexual orientation, a UK employment tribunal said in a ruling under new UK anti-gay discrimination laws. [also refers to discrimination lawsuits against Dresdner Kleinwort Wasserstein (part of Dresdner Bank, which is part of Allianz) (pending); Merrill Lynch (dismissed); Deutsche Bank (settled)]