Detroit Pistons: Brandon Knight "wasn't very good at playing basketball last year"?

So, this guy from Detroit says that Brandon Knight isn't very good. Here is part of it:

There’s just one problem: he wasn’t very good at playing basketball last year. He hit some big shots and showed raw talent, and he’s young. I’m certainly not writing him off. But that doesn’t just the fact that Knight wasn’t that good last year.
Here’s how the he ranked among the 22 point guards in DraftExpress’ top 100:

• Points per 40 minutes, pace adjusted: 14th
• Assists per 40 minutes, pace adjusted: 15th
• Offensive-rebounding percentage: 16th
• Defensive-rebounding percentage: 10th
• Steals per 40 minutes, pace adjusted: 23rd
• Blocks per 40 minutes, pace adjusted: 7th (seven-way tie)
• Turnovers per 40 minutes, pace adjusted: 17th (three-way tie)
• Personal fouls per 40 minutes, pace adjusted: 13th (five-way tie)
• 2-point percentage: 17th (tie)
• 3-point percentage: 12th
• Free-throw percentage: 13th
• Assist-to-turnover ratio: 18th
• Points per play: 15th
• Free-throw attempt per field-goal attempt: 16th