I've often asked myself the same question - Silas was one of the guys I was hoping JC would consider when he hired Ainge. At that time Silas had only a brief stint as a head coach under his belt but after that he'd stuck with coaching as an assistant, which gave him a lot more preparation than Ainge had for the job. (Or Westfall, Skiles or FJ.) Besides he wasn't a guard and I thought he might bring some seriousness to 'fixing the paint', as we long suffering Suns' fans chanted for years.
Who's to say how much we'd rag on Silas... I'm sure he wouldn't do everything we thought was best. From the little I've seen of his teams they seem quite well prepared, something I've never heard anyone impute to the Suns under FJ. The Hornets personnel decisions have been sound - and don't forget Shinn, the owner of the team, is about on a par with Donald Sterling. I guess you'd have to say firing Silas was the kind of decision Shinn makes when left to his own devices.