That’s the point. There’s an element of luck to getting any amount of INTs, no matter how impressive the individual play is (or not). You’re talking about something that happens 2-5 times a season (or not). You look at HOF NFL CBs and their INTs typically fluctuate from year to year. It doesn’t mean they are getting better or worse.
There is a standard deviation of about 2 INTs even for a great at the NFL level. 0-2 INTs in a season is well within it, even for an elite college CB.
I’m not saying Stribling didn’t improve. I’m saying the “playmaker” attribute you criticized him for a year ago didn’t go from weakness to strength in one offseason.
I haven’t see where Stribling graded out “not so well” in 2015. He played less, but that’s mostly because Clark was playing well too. Is there evidence to say CB play at Michigan improved in 2016 vs 2015 or did Michigan miss having a 3rd guy they trusted?