Right, then how we did he 'succeed' with Sampdoria? Did they have a quality squad? No, they relied on Cassano to make everything for Pazzini. Why did he suck at other other clubs, also lack of quality? Porto, Palermo and Roma for example.
How would you describe our even more pathetic squad in Ranieri's hands when we were second/third?
I'm not saying our squad is perfect, far from that, we do lack quality but he can't lead this team when he lacks quality himself.