I agree that the evidence isn't conclusive, but I'd also add that it doesn't really suggest that the recruiting is approximately the same either. So I'm not sure it changes anything one way or the other about what was said two years ago.
One thing I'd say is that Pelini missed on recruiting the OL based on there only being 1 senior on the entire OL depth chart. Doesn't necessarily mean Riley's OL recruiting is any better yet though.
As I said, it's not conclusive but I think it's pretty fair to say there hasn't been a drastic increase. Probably not even a significant one.
Considering 9 out of the 10 OL on the two-deep are Pelini recruits, I'm not sure where you're drawing that conclusion. There was one class that wasn't very good - that class would be expected to be seniors this year. The next two look to be pretty solid.