PHILADELPHIA — It seemed like an outrageous claim: “I think I do a terrific job!” Doc Rivers said this after his basketball team just got demolished by a tepid Heat team in the second round of the playoffs. He said this a year after getting upset in the second round by a mangy kettle of Hawks. Ridiculous, right? Wrong. No coach in recent Philadelphia history is less popular at this moment than Doc Rivers. This is a very Philadelphian way to think: He said mean stuff, and he insulted us, so let’s fire him. Short-sighted, ill-conceived, and, for the moment, ignored by Sixers management. Said pre…
