he 'd got used to servius taking all the decisions from day to day , and now servius was gone , could n't get things back under his own control , or perhaps had got too used to the ease of having someone else do everything ; so a series of commanders of varying degrees of competence and effectiveness came and went , with varying tenures depending on their competence or lack of it , or in one case on a decided lack of diplomacy when dealing with tarquinius , who despite his lack of interest in running things tinkered and interfered , once too often for that commander .