>>281108582only 10% of uchiha members are shinobi, he could've been the scapegoat for that 10% all the same
doing a full massacre but leaving his literal innocent little brother alive would only raise suspicion for the village especially since everyone in the village was already in bad terms with the uchiha police because they didn't help during the kyuubi incident. drunkards and fender benders actively started shit with uchiha cops for not being lenient in their practice