The Little Things: What Makes Chris Olave Special

From the get-go, I had him rated as the most NFL-ready WR in the draft--the best pure WR in his class--and was hardly alone in my assessment.
So, if this is the case, why was he the 3rd WR taken in the draft? Do London and Wilson have attributes that are better fits for their teams and if so what, or are the Jets and Failclowns just idiots?