When it comes to streaming, Warner Bros Discovery Inc (NASDAQ: WBD) reached profitability before its legacy media rivals such as The Walt Disney Corporation (NYSE: DIS), Comcast Corporation (NASDAQ: CMCSA) and Paramount Global (NASDAQ: PARA). However, with a slump in advertising revenue, Warner Bros missed both top and bottom-line estimates with its fourth quarter results. After the report, shares fell 12% in early trading on Friday. Fourth Quarter HighlightsFor the quarter that ended on December 31st, Warner Bros reported revenue of $10.28 billion that came short of LSEG’s estimate of $10.35 …