He is a rookie.......he will be fine. All kickers are missing extra points from the longer distance. http://www.espn.com/nfl/statistics/player/_/stat/kicking/sort/extraPointsMade
Buttchin, the great QB evaluator wouldn't let Yates touch the field until Savage got injured. I agree Yates should be considered for backup next year.
The good news is that the Niners have no answer for Nuk, the bad news is that the Texans have no answer for any offensive player in the league.